Question 1

Which polynomial function has zeros at -3, 0, and 4?

Accepted Answer

$f(x)=x(x+3)(x-4)$

Answer

$f(x)=(x+3)(x^2+4)$

Answer

$f(x)=x(x-3)(x+4)$

Answer

$f(x)=(x^2-3)(x-4)$

Question 2

The expression $3(x^2+2x-3)-4(4x^2-7x+5)$  is equivalent to

Accepted Answer

$-13x^2+34x-29$

Answer

$19x^2-22x+11$

Answer

$19x^2+34x-29$

Answer

$-13x-22x+11$

Question 3

A cubic function is graphed on the set of axes below.
Which function could represent this graph?

Accepted Answer

$g(x)=(x+3)(x+1)(x-1)$

Answer

$h(x)=(x-3)(x-1)(x+3)$

Answer

$k(x)=(x+3)(x+1)(x-3)$

Answer

$f(x)=(x-3)(x-1)(x+1)$

Question 4

If $C=2a^2-5$ and $D=3-a,$ then $C-2D$ equals

Accepted Answer

$2a^2+2a-11$

Answer

$2a^2+a-8$

Answer

$2a^2-a-8$

Answer

$2a^2-a-11$

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