Algebra B - Review Quiz for CHAPTER 6 EXAM
- 1. Solve for x and y if 2x + 5y = 61 and -2x + y = 5.
- 2. Solve for x and y if 4x - y = 9 and -4x + 9y = 175.
- 3. Solve for x and y if y = x - 11 and 2x + 7y = 193.
- 4. Solve for x and y if y = 6x - 1 and y = 13x - 36.
- 5. Solve for x and y if 4x - y = 8 and 5x + y = 46.
- 6. Solve for x and y if x = 2y - 32 and 14x - y = 11.
- 7. Diego can bike 32 miles in 2.4 hours. How long would it take him to bike 99 miles?
A) About 68.4 hours
B) About 7.4 hours
C) About 0.8 hours
D) About 1320 hours
A) Opposites
B) Sames
C) Neither
- 9. <<<< Solve for x >>>> 10(2x + 10) = 2(3x + 1)
A) 7
B) 0.642
C) -0.642
D) -7
- 10. Multiply: (2x - 5)(x + 7)
A) 2x2 + 9x + 2
B) 2x2 + 9x - 35
C) 2x2 + 4x - 35
D) 2x2 -3x - 35
- 11. <<<< Solve for x >>>> 5(x + 3) - 2(x - 2) = -5
- 12. In the equation y = 6x - 11, what is the slope, and what is the y-intercept?
A) The slope is 6, the y-intercept is -11.
B) The slope is -11, the y-intercept is 6.
C) The slope is 6, the y-intercept is 11.
D) The slope is 11, the y-intercept is 6.
A) Sames
B) Opposites
C) Neither
A) Opposites
B) Neither
C) Sames
- 15. In the equation 4x + 2y = -28, what is the slope, and what is the y-intercept? Hint: Solve for y first.
A) The slope is 2 and the y-intercept is 14.
B) The slope is 2 and the y-intercept is -28.
C) The slope is-2 and the y-intercept is -14.
D) The slope is 2 and the y-intercept is 4.
E) The slope is 4 and the y-intercept is 2.
- 16. Draw a diamond. On the left side of the diamond, write 3x + 5. On the bottom of the diamond, write x + 8. What goes on the right side of the diamond?
A) 3x2 + 13x + 40
B) 2x - 3
C) 4x + 13
D) -2x + 3
E) 3x2 + 40
- 17. What is the opposite of 17y ?
- 18. Superman can stop 120 bullets in 24 seconds. How many bullets can he stop in 3 minutes?
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