What I Know (Pre-Test)
Instructions: Choose the letter of the correct answer Write your chosen answer on
a separate sheet of paper
C.-12
D. 120
C. 7
D. -7
1. Evaluate -4a for a = 3
D. 7
A. 12
B. -7
2. Evaluate Gry for x = 5 and y = 2
A. 30
B. 60
C. 90
3
Evaluate xy - z if x = -3, y = 4, and z=5
D. -7
A. -17
B-5
4
Evaluate 4x + 5 when x = -3.
A. 7
B. -7
C 17
D. -17
5. Evaluate 2x2 – 3y - - if x = -2, y = -3, and 5 = 1
A. 18
B. 16
C. 2
D. 9
6. Evaluate a[4 - b) if a = 2 and b =
A 1
B. 7
C.9
7. What is the value of the expression 2x3 - 3x2 + 6x -7 for x = 3?
A. 18
B. 38
C. 28
D. 19
8. What is the sum of 2x and 3x?
A. 5x
B. 5x
C. 6x
D. 6x2
9. Find the sum of (8x + 4) + (-11x + 5)
A. 19x + 9
B. 12x - 6
C. 6x
D.-3x + 9
10. Perform the indicated operations: 4x2 - (2x2 + 1)
A. 6x2 + 1
B. -6x2 + 1
C. 2x2 + 1
D. 2x2 - 1
11. What is the result if 4y2 - 3y + 5 is subtracted from y2 - 8?
A. 3y2 + 3y + 13
C. -3y2 – 3y + 3
B. -3y2 + 3y - 13
D. Зу? - Зу + 13
12. Find the sum of -7x2 + 3x -6 and 3x2 + 8x + 5.
A. 4x2 + 11x + 1
C. 4x2 + 11x - 1
B. -4x2 + 11x - 1
D. 4x2 + 11x + 1
13. Find the difference between - 2x2 + x + 3 and x2 + 7x + 1.
A. - x2 - 6x + 2
C. 3x2 - 6x + 4
B. -3x2 - 8x + 4
D.-3x2 - 6x + 2
14. Find the difference: (2r2 + 6r + 7) -(3r2 +51 +8)
A r2 +r +1
C. r2-r-1
B. 12 +r-1
D. -12 +r-1
15. If the length of a rectangle in terms of x is 5x2 + 3x + 6, and its width is
7x + 9, what is the perimeter of this rectangle? Perimeter:
units
A. 10x3 + 20x + 30
C, 10x* + 20x + 30
B. 10x5 + 20x + 30
D, 10x2 + 20x + 30​