Checkpoint 2 ? Non-linear Relationships ? Year 9 Unit 3

1 The vertex of $y = x^2$ is:

A) $(1, 1)$B) $(0, 0)$C) $(0, 1)$D) $(1, 0)$

2 $y = -2x^2$ opens:

A) UpB) DownC) LeftD) Right

3 The x-intercepts of $y = x^2 - 5x + 6$ are:

A) $2$ and $3$B) $-2$ and $-3$C) $1$ and $6$D) $-1$ and $-6$

4 $y = 3^x$ is:

A) LinearB) QuadraticC) ExponentialD) Hyperbolic

5 The y-intercept of $y = 2^x$ is:

A) $(0, 0)$B) $(0, 1)$C) $(0, 2)$D) $(1, 2)$

6 $y = 1/x$ has how many branches?

A) 1B) 2C) 3D) 4

7 The radius of $x^2 + y^2 = 25$ is:

A) $25$B) $5$C) $10$D) $2$

8 Complete the square: $x^2 + 6x + ___$

A) $6$B) $9$C) $36$D) $3$