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2.2 – Linear Equations. 2.2 – Linear Equations. Linear equation. 2.2 – Linear Equations. Linear equation – equation with only addition, . 2.2 – Linear Equations. Linear equation – equation with only addition, subtraction,. 2.2 – Linear Equations.
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2.2 – Linear Equations Linear equation
2.2 – Linear Equations Linear equation – equation with only addition,
2.2 – Linear Equations Linear equation – equation with only addition, subtraction,
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication,
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number.
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number.
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number.
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs.
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. 5x – 3y = 7
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. 5x – 3y = 7 x = 9
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. 5x – 3y = 7 x = 9 6s = -3t – 15
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. 5x – 3y = 7 x = 9 6s = -3t – 15 y = ½x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 x = 9 6s = -3t – 15 y = ½x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 7a + 4b2 = -8 x = 9 6s = -3t – 15 y = ½x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 7a + 4b2 = -8 x = 9 6s = -3t – 15 y = ½x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 7a + 4b2 = -8 x = 9 y = √x + 5 6s = -3t – 15 y = ½x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 7a + 4b2 = -8 x = 9 y = √x + 5 6s = -3t – 15 y = ½x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 7a + 4b2 = -8 x = 9 y = √x + 5 6s = -3t – 15 x + xy = 1 y = ½x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 7a + 4b2 = -8 x = 9 y = √x + 5 6s = -3t – 15 x + xy = 1 y = ½x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 7a + 4b2 = -8 x = 9 y = √x + 5 6s = -3t – 15 x + xy = 1 y = ½xy = 1 x
2.2 – Linear Equations Linear equation – equation with only addition, subtraction, multiplication, and division of a variable by a number. Linear Eqs. Non-linear Eqs. 5x – 3y = 7 7a + 4b2 = -8 x = 9 y = √x + 5 6s = -3t – 15 x + xy = 1 y = ½xy = 1 x
Example 1 State whether each function or equation is linear. If no, explain why.
Example 1 State whether each function or equation is linear. If no, explain why. (a) f(x) = 10 – x
Example 1 State whether each function or equation is linear. If no, explain why. (a) f(x) = 10 – x YES
Example 1 State whether each function or equation is linear. If no, explain why. (a) f(x) = 10 – x YES (b) g(x) = x4 – 5
Example 1 State whether each function or equation is linear. If no, explain why. (a) f(x) = 10 – x YES (b) g(x) = x4 – 5 NO
Example 1 State whether each function or equation is linear. If no, explain why. (a) f(x) = 10 – x YES (b) g(x) = x4 – 5 NO; exponent on var.
Example 1 State whether each function or equation is linear. If no, explain why. (a) f(x) = 10 – x YES (b) g(x) = x4 – 5 NO; exponent on var. (c) h(x,y) = 2xy
Example 1 State whether each function or equation is linear. If no, explain why. (a) f(x) = 10 – x YES (b) g(x) = x4 – 5 NO; exponent on var. (c) h(x,y) = 2xy NO
Example 1 State whether each function or equation is linear. If no, explain why. (a) f(x) = 10 – x YES (b) g(x) = x4 – 5 NO; exponent on var. (c) h(x,y) = 2xyNO; multiplying vars.
Standard Form = Ax + By = C *Get x’s and y’s on left side,
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt.
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C.
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 +2x +2x
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 +2x +2x 2x + y = 3
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 +2x +2x 2x + y = 3 A=2
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 +2x +2x 2x + y = 3 A=2,B=1
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 +2x +2x 2x + y = 3 A=2,B=1 ,&C=3
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 (b) ⅜x = 3y + 2 +2x +2x 2x + y = 3 A=2,B=1,&C=3
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 (b) ⅜x = 3y + 2 +2x +2x-3y -3y 2x + y = 3 A=2,B=1,&C=3
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 (b) ⅜x = 3y + 2 +2x +2x-3y -3y 2x + y = 3 ⅜x – 3y = 2 A=2,B=1,&C=3
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 (b) ⅜x = 3y + 2 +2x +2x-3y -3y 2x + y = 3 ⅜x – 3y = 2 A=2,B=1,&C=3 8(⅜x – 3y) = (2)8
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 (b) ⅜x = 3y + 2 +2x +2x-3y -3y 2x + y = 3 ⅜x – 3y = 2 A=2,B=1,&C=3 8(⅜x – 3y) = (2)8 3x – 24y = 16
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 (b) ⅜x = 3y + 2 +2x +2x-3y -3y 2x + y = 3 ⅜x – 3y = 2 A=2,B=1,&C=3 8(⅜x – 3y) = (2)8 3x – 24y = 16 A=3
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 (b) ⅜x = 3y + 2 +2x +2x-3y -3y 2x + y = 3 ⅜x – 3y = 2 A=2,B=1,&C=3 8(⅜x – 3y) = (2)8 3x – 24y = 16 A=3,B=-24
Standard Form = Ax + By = C *Get x’s and y’s on left side, numbers on rt. Example 2 Write each equation in standard form. Identify A, B, and C. (a) y = -2x + 3 (b) ⅜x = 3y + 2 +2x +2x-3y -3y 2x + y = 3 ⅜x – 3y = 2 A=2,B=1,&C=3 8(⅜x – 3y) = (2)8 3x – 24y = 16 A=3,B=-24,&C=16