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1. |
To model the equation x + (-3) = 6 using algebra tiles, which tiles should you use on the left side of the mat? |
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A. |
one red square tile and 3 yellow square tiles |
B. |
one yellow square tile and 3 red square tiles |
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C. |
one green rectangular tile and 3 yellow square tiles |
D. |
one green rectangular tile and 3 red square tiles |
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Hint |
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2. |
To find the y-intercept of the graph of an equation, you should _______. |
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A. |
let x = 1 in the equation and solve for y |
B. |
let y = 0 in the equation and solve for x |
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C. |
multiply the coefficients of x and y |
D. |
let x = 0 in the equation and solve for y |
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Hint |
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3. |
Consider the equation  . Which equation will have a steeper graph, but the same yintercept? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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4. |
Simplify the expression  |
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A. |
-4a3b3c |
B. |
-4a4b2c |
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C. |
-4a4b2 |
D. |
-4a3b3 |
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Hint |
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5. |
The sum of one or more monomials is called a ______. |
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A. |
trinomial |
B. |
binomial |
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C. |
multinomial |
D. |
polynomial |
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Hint |
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6. |
Find the sum. |
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A. |
-3b3 - 3b |
B. |
-3b3 - b2 - 3b |
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C. |
-3b3 + b2 - 3b |
D. |
-3b3 - 3b + 1 |
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Hint |
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7. |
The rule for multiplying by powers of 10 states that if the exponent of the 10 is positive, then you move the decimal point __________. |
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A. |
to the right by the number of spaces as the number in the exponent minus 1 |
B. |
to the right by the number of spaces as the number in the exponent plus 1 |
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C. |
to the left by the same number of spaces as the number in the exponent |
D. |
to the right by the same number of spaces as the number in the exponent |
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Hint |
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8. |
Which point is not a solution of the system of inequalities shown in the graph below? |
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A. |
(0, 2) |
B. |
(0, 0) |
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C. |
(3, -2) |
D. |
(-2, 3) |
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Hint |
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9. |
Choose the statement that is true. |
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A. |
0 ÷ 0 = 0 |
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B. |
0 ÷ 0 = 1 |
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C. |
Zero cannot be the denominator of a fraction because division by zero is undefined. |
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D. |
Zero cannot be the numerator of a fraction because zero cannot be divided by any number. |
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Hint |
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10. |
Selena is making cassette tapes of songs she has written. On Monday she records 8 songs, on Tuesday she records 12 songs, and on Wednesday she records 4 songs. If each song is 5 minutes long and each tape is 60 minutes long, how many tapes has she used so far? |
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A. |
3 tapes |
B. |
1 tape |
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C. |
4 tapes |
D. |
2 tapes |
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Hint |
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11. |
Find the quotient -9.3 ÷ -3. |
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A. |
-3.1 |
B. |
27.9 |
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C. |
-27.9 |
D. |
3.1 |
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Hint |
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12. |
Find the percent increase or decrease to the nearest percent.
original: 30
new: 24 |
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A. |
6% decrease |
B. |
20% increase |
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C. |
6% increase |
D. |
20% decrease |
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Hint |
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13. |
Solve the equation 2(4 + 2a) 2a = 8(3 2a) + 2. |
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A. |
a = -2 |
B. |
a = 1 |
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C. |
a = 2 |
D. |
a = 3 |
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Hint |
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14. |
Find the product (y 2)(2y + 5). |
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A. |
-3y + 5 |
B. |
3y + 3 |
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C. |
2y2 4y + 5 |
D. |
2y2 + y 10 |
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Hint |
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15. |
Divide 36jk3 42j3k by 6jk. |
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A. |
6k2 7j2 |
B. |
7k 6j2 |
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C. |
6jk 7j2k |
D. |
7jk 6j2k |
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Hint |
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16. |
The roots of the quadratic equation x2 6x 16 are __________. |
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A. |
-2 and 8 |
B. |
6 and 16 |
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C. |
-6 and -16 |
D. |
2 and 8 |
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Hint |
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17. |
Find the value of c that makes x2 18 + c a perfect square. |
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A. |
-81 |
B. |
81 |
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C. |
3 |
D. |
-3 |
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Hint |
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18. |
Use the quadratic formula to solve the equation 4x2 + 3x + 3 = 0. |
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A. |
no solution |
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B. |
x  -0.569, x 1.319 |
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C. |
x -0.569, x -1.319 |
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D. |
x 0.569, x -1.319 |
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Hint |
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19. |
Find the quotient (4x + 8) ÷ (x + 2). |
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A. |
4 |
B. |
4x + 8 |
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C. |
16 |
D. |
x + 2 |
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Hint |
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20. |
The formula for the area of a square is A = s2. The formula can be rewritten in terms of the side, s =  . If the value of the area is equal to 3 times the value of a side minus two, what is the length of a side? |
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A. |
s = 1 unit |
B. |
s = 2 units |
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C. |
no solution |
D. |
s = 1 unit or s = 2 units |
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Hint |
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