Final Exam Review

Which expression is equivalent to $-4x^2+18x?$  

•  $-2x\left(2x-9\right)$  

•  $2x\left(2x-9\right)$  

•  $2x\left(2x+9\right)$  

•  $-2x\left(2x+9\right)$  

Which graph represents a system of equations with no solution?

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Tags

CCSS.8.EE.C.8A

The graph of a quadratic function is shown on the grid.

Which function is best represented by this graph?

• $f\left(x\right)=x^2+3x-4$

• $f\left(x\right)=-x^2-3x+4$

• $f\left(x\right)=x^2-3x-4$

• $f\left(x\right)=-x^2+3x+4$

Tags

CCSS.HSF-IF.C.7A

Which value of  $x$   makes this equation true $5\left(3x-9\right)-12=12-7\left(x-9\right)?$  

(a)  

Which expression is equivalent to $x^2+8x-9?$  

•  $\left(x-3\right)\left(x-3\right)$  

•  $\left(x+3\right)\left(x-3\right)$  

•  $\left(x-9\right)\left(x+1\right)$  

•  $\left(x+9\right)\left(x-1\right)$  

Tags

CCSS.HSA.APR.C.4

Given $f\left(x\right)=\frac{1}{2}\left(3-x\right)^2,$  what is the value of  $f\left(11\right)?$  

(a)  

Tags

CCSS.HSF.IF.A.2

Which expression is equivalent to $f\left(x\right)=-3\left(x+4\right)^2-5?$  

•  $f\left(x\right)=x^2+8x+11$  

•  $f\left(x\right)=-3x^2-24x-53$  

•  $f\left(x\right)=-3x^2-53$  

•  $f\left(x\right)=-3x^2-24x-29$  

Which graph best represents a function that has only one zero?

(Assume the parabolas have arrows on the ends and continue.)

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Tags

CCSS.HSF-IF.C.7A

Which expression is equivalent to $\left(3x^2-7x+6\right)\left(5x-2\right)?$  

•  $3x^2-2x+4$  

•  $15x^3-41x^2+44x-12$  

•  $-15x^3+41x^2-44x-12$  

•  $15x^3+41x^2-44x-12$  

Tags

CCSS.HSA.APR.A.1

Which graph best represents $y=5\left(0.75\right)^x?$  

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Tags

CCSS.HSF-IF.C.7E