Algebra 1 Chapter 9 Mid- Chapter Quiz

Choose the correct graph for  $y=x^2+2x+1$  

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Find the vertex of $y=-x^2+4x+4$ 

• (2,-8)

• (-2,8)

• (2,8)

• (8,2)

Find the y-intercept of $y=-x^2+4x+4$  

• -4

• 4

• 2

• -2

When transforming a quadratic, the h in  $a\left(x+h\right)^2+k$ tells you

In $a\left(x+h\right)^2+k$ , when  $\left|a\right|>1$  the parabola gets

In $a\left(x+h\right)^2+k$  when h is positive the parabola moves to the ____________

In $a\left(x+h\right)^2+k$  when h is negative the parabola moves to the ____________

In $a\left(x+h\right)^2+k$ , when  $0<\left|a\right|<1$  the parabola gets

Choose the correct graph for  $y=\left(x-3\right)^2-2$ 

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Choose the correct graph for  $y=-\frac{1}{2}\left(x+1\right)-1$  

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