Free Printable Spiral Review #4

1.

Based on the scatterplot, which is the best prediction of the total number of pages in a book with 5 chapters?

a)

150 pages

b)

140 pages

c)

90 pages

d)

120 pages

2.

Based on the scatterplot, which is the best prediction of the number of points scored by a person spending 35 minutes on the video game?

a)

950 points

b)

895 points

c)

750 points

d)

920 points

3.

Which set of ordered pairs represents y as a function of x?

a)

{(5, −5), (5, 5), (6, −6), (6, 6)}

b)

{(4, 11), (5, 13), (6, 15), (7, 17)}

c)

{(–3, 2), (–3, 4), (5, 9), (5, 12)}

d)

{(9, 5), (9, −5),

(11, 7), (11, −7)}

4.

Does the given representation show y as a function of x?

a)

Yes

b)

No

5.

Does the given representation show y as a function of x?

a)

Yes

b)

No

6.

Does the given representation show y as a function of x?

a)

Yes

b)

No

7.

Does the given representation show y as a function of x?

a)

Yes

b)

No

8.

Does the table represent a direct variation?

a)

Yes

b)

No

9.

Does the graph represent a direct variation?

a)

Yes

b)

No

10.

What is the equation for the given graph?

a)

$y\ =\ \frac{1}{30}x$

b)

$y\ =\ x\ +\ 30$

c)

$y\ =\ 30x$

d)

$y\ =\ x\ -\ 30$

11.

A graph representing a direct variation will always meet the origin.

a)

True

b)

False

12.

What does "m" stand for in the equation y= mx + b?

a)

y-intercept

b)

m-coordinate

c)

slope

13.

What does "b" stand for in the equation y= mx + b?

a)

y-intercept

b)

b-coordinate

c)

slope

14.

Is the graph proportional or non-proportional?

a)

proportional

b)

non-proportional

15.

What is the slope for the given graph?

a)

10

b)

2

c)

$\frac{1}{2}$

d)

9

16.

What is the y-intercept for the given graph?

a)

10

b)

2

c)

$\frac{1}{2}$

d)

9

17.

What is the equation for the given graph?

a)

$y\ =\ 10x\ +\ \frac{1}{2}$

b)

y = 2x + 10

c)

y = 10x + 2

d)

$y\ =\ \frac{1}{2}x\ +\ 10$

18.

Dilations are similar figures.

a)

True

b)

False

19.

What is the ratio to find scale factor?

a)

$\frac{original}{new}$

b)

$\frac{new}{original}$

c)

The order doesn't matter

20.

When applying scale factor, which operation do we use?

a)

addition

b)

subtraction

c)

multiplication

d)

division

21.

What type of dilation is shown in the picture?

a)

enlargement

b)

reduction

22.

What is the scale factor for the dilation?

a)

7

b)

4

c)

$\frac{4}{7}$

d)

$\frac{7}{4}$

23.

What is the algebraic representation/rule for the dilation?

a)

$\left(x,\ y\right)\rightarrow\left(\frac{7}{4}x,\ \frac{7}{4}y\right)$

b)

$\left(x,\ y\right)\rightarrow\left(7x,\ 7y\right)$

c)

$\left(x,\ y\right)\rightarrow\left(4x,\ 4y\right)$

d)

$\left(x,\ y\right)\rightarrow\left(\frac{4}{7}x,\ \frac{4}{7}y\right)$

Spiral Review #4

Total questions: 23

Worksheet time: 2hrs 55mins

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