220 likes | 233 Views
COMPASS Algebra Practice Test 7. This practice test is 10 items long. Record your responses on a sheet of paper. The correct answers are on the slide after the last question. Complete solutions follow the answer slide. Click the mouse or use the spacebar to advance to the next question.
E N D
COMPASS AlgebraPractice Test 7 • This practice test is 10 items long. • Record your responses on a sheet of paper. • The correct answers are on the slide after the last question. • Complete solutions follow the answer slide. • Click the mouse or use the spacebar to advance to the next question.
3. If 25 is subtracted from the square of a certain number b the result is 11. Which of the following equations determines the correct value of b?
5. If the reciprocal of a certain number x is added to the result is 2. What is x?
8 In the standard rectangular coordinate plane find the distance between (-3, 4) and (2 , -8).
D D E A C C A B E E Answers Algebra Quadratics Practice Test 7
1. For all B and C and A ≠ 0, if then Solve for x Subtract B Divide by A Answer D
2. Simplify Simplify the radicals The common denominator is 15 Answer D
3. If 25 is subtracted from the square of a certain number b the result is 11. Which of the following equations determines the correct value of b? Since the result is 11 we can expect the equation to = 11. Eliminate choices A, B, and C. The word “from” indicates that the equation will start with b2. Answer E
4. For all x, Distribute the negative through the second parenthesis. Make sure you change all the signs. Combine like terms. Answer A
5. If the reciprocal of a certain number x is added to the result is 2. What is x? If x is the number then the reciprocal of x is… Multiply by 3x to clear the denominators. Answer C
6. Find the value of when Substitute x = 2 Answer C
7. Which equation best describes this graph? Try the point (3, -4) in choice B. Verify choice A, try the point (3, -4) . The point (0, 5) does not work in choices C, D, or E. Answer A
8 In the standard rectangular coordinate plane find the distance between (-3, 4) and (2 , -8). Use the distance formula. Answer B
9 For all x, Answer E
10. For all Answer E