Test - South Carolina Algebra 1 EOCEP Chapter 10

South Carolina Algebra 1 EOCEP Chapter 10 Sample

1 pt DOK: 2

3.

Factor by grouping: $x y + 2 x + 3 y + 6$

A

$(x + 2) (y + 3)$

B

$(x + 3) (y + 2)$

C

$x (y + 2) + 3 (y + 2)$

D

This problem cannot be factored.

1 pt DOK: 2

6.

Factor: $4 x^{2} - 64$

A

$(x - 8) (x + 8)$

B

$2 (x - 4) (x + 4)$

C

$2 (x - 8) (x + 8)$

D

$4 (x - 4) (x + 4)$

1 pt DOK: 2

9.

A trapezoid has two bases. One base has a length of $x + 3$ and the other base has a length of $4 x$ . If the height of the trapezoid is $2 x - 3$ , find double the area of the trapezoid. Use $A = \frac{(b_{1} + b_{2}) h}{2}$ .

A

$3 x^{2} + 3 x - 9$

B

$10 x^{2} - 9 x - 9$

C

$5 x^{2} - \frac{9}{2} x - \frac{9}{2}$

D

$6 x^{2} - 3 x - 9$

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