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J ΣθPARδY !

Mαth. J ΣθPARδY !. Mαth JΣθPARδY!. Mαth JΣθPARδY! was created by GradeA math help.com. Mαth. J ΣθPARδY !. Solving Equations - 100. Solve for x in the equation below… x + 8 =12. Answer:. x = 4. Mαth. J ΣθPARδY !. Solving Equations - 200. Solve for x in the equation below…

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J ΣθPARδY !

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  1. Mαth JΣθPARδY! Mαth JΣθPARδY! Mαth JΣθPARδY! was created by GradeAmathhelp.com

  2. Mαth JΣθPARδY! Solving Equations - 100 Solve for x in the equation below… x + 8 =12 Answer: x = 4

  3. Mαth JΣθPARδY! Solving Equations - 200 Solve for x in the equation below… 4x - 2 =18 Answer: x = 5

  4. Mαth JΣθPARδY! Solving Equations - 300 Solve for x in the equation below… 4x - 5 = 7x + 13 Answer: x = -6

  5. Mαth JΣθPARδY! Solving Equations - 400 Solve for x in the equation below… ½ x + 8 = 21.5 Answer: x = 27

  6. Mαth JΣθPARδY! Solving Equations - 500 Solve for x in the equation below… .35x + 1.55 = 5.89 - .89x Answer: x = 3.5

  7. Mαth JΣθPARδY! Functions - 100 True or False, the figure below is a function… Answer: False!

  8. Mαth JΣθPARδY! Functions - 200 Provide the definition of a function by completing the phrase below… “A function is a relation in which…” Answer: Every x-value is paired with at most one y-value

  9. X 4 8 9 6 Y 4 4 4 4 Mαth JΣθPARδY! -2 1 5 -3 2 -1 7 -3 Functions - 300 Which of the relations below is NOT a function? A) B) C) Relation B) Answer:

  10. Mαth JΣθPARδY! Functions - 400 Use the function below to find… a) f(7) = __ b) f(_) = 12 f(x) = 5x - 8 Answer: • f(7) = 28 • f(4) = 12

  11. Mαth JΣθPARδY! Functions - 500 For the function below, find the x-intercept and the y-intercept f(x) = 9x - 3 Answer: x-intercept =1/3 & y-intercept = -3

  12. Mαth JΣθPARδY! Algebra Vocabulary - 100 Define the term “y-intercept” For a line, the y-intercept is the corresponding y-value when the x-value is equal to 0. Answer:

  13. Mαth JΣθPARδY! Algebra Vocabulary - 200 Define the term “inverse” in reference to a relation. The inverse of a relation is another relation in which the x and y-values are switched. Answer:

  14. Mαth JΣθPARδY! Algebra Vocabulary - 300 When is “the elimination method” useful and briefly describe how to use it… The elimination method is useful for solving a system of equations – especially when the equations are in standard form. We take two equations and combine the total x and y-values in an attempt to eliminate one variable. Then we solve the new equation, plug the value back in and find our solutions Answer:

  15. Mαth JΣθPARδY! Algebra Vocabulary - 400 Write the general form of a line two different ways: 1) Slope-intercept form 2) Standard form • Slope-intercept form: y = mx + b • 2) Standard form: Ax + By = C Answer:

  16. Mαth JΣθPARδY! Algebra Vocabulary - 500 The graph below shows a bathtub draining water. Each grid block represents 1 unit. What do the slope and y-intercept represent in the context of this graph? Answer: The slope represents the speed that the tub is emptying. The y-intercept represents the number of liters of water the tub had when it was full. Water Level Time in Minutes

  17. Mαth JΣθPARδY! Slope - 100 What is the slope of the line given by the equation y = 4x + 3? Answer: m = 4

  18. Mαth JΣθPARδY! Slope - 200 What is the slope of the line given by the equation 6x + 3y = 12? Answer: m = -2

  19. Mαth JΣθPARδY! Slope is rate of change. Slope is rise/run Slope is Δy/Δx m = y1 – y2 x1 – x2 Slope - 300 Describe “slope” in three different ways. You may use formulas as descriptions. Answer:

  20. X 6 9 12 15 Y 1 3 5 7 Mαth JΣθPARδY! Slope - 400 Find the slope of the line given by the table below. Answer: m = 2/3 or .6667

  21. Mαth JΣθPARδY! Slope - 500 What are the slopes of the two lines below? A) B) Answer: A) ½ & B) - 1/3

  22. Mαth JΣθPARδY! Systems of Equations - 100 Solve for x in the system below. 2x + y = 8 3x – y = 2 Answer: x = 2

  23. Mαth JΣθPARδY! Systems of Equations - 200 Describe the number of solutions for each set of lines below. A) B) C) • Zero solutions • One solution • Infinite solutions Answer:

  24. Mαth JΣθPARδY! Systems of Equations - 300 Find the solution set below… 2x + 5y = 11 4x + 3y = 15 (3, 1) Answer:

  25. Mαth JΣθPARδY! Systems of Equations - 400 Determine the number of solutions in the system below… 5x – 2y = 8 10x – 4y = 16 Answer: infinite

  26. Mαth JΣθPARδY! Systems of Equations - 500 Find the solution to the system of equations below… x = 9y - 8 2x = 4y + 12 Answer: (10, 2)

  27. Mαth JΣθPARδY! Equation of a Line - 100 What is the general equation of a line in slope-intercept form? Answer: y = mx + b

  28. Mαth JΣθPARδY! Equation of a Line - 200 What is the general equation of a line in standard form? Answer: Ax + By = C

  29. Mαth JΣθPARδY! Equation of a Line - 300 What is the equation of a line with a slope of 6 and passes through the point (0, -1) Answer: y = 6x - 1

  30. X 0 4 8 12 Y 3 5 7 9 Mαth JΣθPARδY! Equation of a Line - 400 Find the equation of the line that passes through the points given in the table Answer: y = ½x + 3

  31. Mαth JΣθPARδY! Equation of a Line - 500 What is the equation of a line passing through the points (4, 2) and (5, 7)? Answer: y = 5x - 18

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