Quiz about Gr8 Math STAAR Review

Question 1

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 2

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 3

Question 3.

Accepted Answer

It's not a function because a vertical line hits it twice.

Answer

It is a function because no vertical lines hit it twice.

Answer

It's not a function because no vertical lines hit it twice.

Answer

It is a function because a vertical line hits it twice.

Question 4

Question 4.

Accepted Answer

It is a function because no vertical lines hit it twice.

Answer

It's not a function because a vertical line hits it twice.

Answer

It's not a function because no vertical lines hit it twice.

Answer

It is a function because a vertical line hits it twice.

Question 5

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 6

Find the rate of change

Accepted Answer

2

Answer

1

Answer

11

Answer

Not a constant slope/Non-Linear

Question 7

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

Accepted Answer

No

Answer

Yes

Question 8

Is the graph proportional or non proportional?

Accepted Answer

Proportional because it is a straight line and passes through the origin (0,0).

Answer

Non-Proportional because it doesn't pass through the origin (0,0).

Question 9

Why does this graph show a non-proportional relationship?

Accepted Answer

It does not go through the origin

Answer

It doesn't, it is proportional because it is a straight line

Answer

It goes through the origin

Answer

It is a straight line

Question 10

A gymnast burns 15 calories a minute.

Accepted Answer

Proportional

Answer

Nonproportional

Question 11

Mason sends 15 text messages each day.

Accepted Answer

Proportional

Answer

Nonproportional

Question 12

Which graph is non-proportional?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 13

y=5x+8

Accepted Answer

Nonproportional

Answer

Proportional

Question 14

Does the equation show a proportional relationship?

Accepted Answer

No

Answer

Yes

Question 15

A rental car agency charges $30.00 per day plus per mile $0.15. Another rental car agency charges $36.00 per day plus $0.10 per mile. Which equation could be used to determine how many miles would have to be driven in one day for both rental agencies to cost the same amount to rent?

Accepted Answer

30 + 0.15x = 36 + 0.10x

Answer

30 - 0.15x = 36 - 0.10x

Answer

30 + 36 = 0.10x + 0.36x

Answer

36 - 30 = 0.36x + 0.10x

Question 16

I can join video club A for $25.00 and rent videos for $1.00 each. Or, I can join video club B for $15.00 and rent videos for $2.00 each. Write an equation that could be used to determine how many rentals would be needed for the price to be equal.

Accepted Answer

25 + x = 15 + 2x

Answer

25 - x = 15 - 2x

Answer

25 + 15 = x + 2x

Answer

25x + 1 = 15x + 2

Question 17

Taxi company A charges $8.00 to get into the cab and $0.75 per mile. Taxi company B charges $6.00 to get into a cab and $1.25 per mile. How many miles would the cost be the same for both companies?

Accepted Answer

4 miles

Answer

2 miles

Answer

.50 mile

Answer

-4 miles

Question 18

Determine the type of slope.

Accepted Answer

Negative Slope

Answer

Positive Slope

Question 19

Determine the type of slope.

Accepted Answer

Positive Slope

Answer

Negative Slope

Question 20

Determine the type of slope.

Accepted Answer

Negative Slope

Answer

Positive Slope

Question 21

Determine the type of slope.

Accepted Answer

Negative Slope

Answer

Positive Slope

Question 22

Determine the type of slope.

Accepted Answer

Positive Slope

Answer

Negative Slope

Question 23

What is the y-intercept of the line shown?

Accepted Answer

-1

Answer

-3

Answer

3

Answer

1

Question 24

What is the y-intercept of the line shown?

Accepted Answer

4

Answer

8

Answer

-4

Answer

-8

Question 25

What is the y-intercept of the line shown?

Accepted Answer

-5

Answer

-6

Answer

$$-\frac{5}{6}$$

Answer

0

Question 26

What is the y-intercept of the line shown?

Accepted Answer

-4

Answer

5

Answer

$$\frac{4}{5}$$

Answer

$$-\frac{4}{5}$$

Question 27

What is the y-intercept of the line graphed below?

Accepted Answer

4

Answer

3

Answer

-3

Answer

4/3

Question 28

What does "b" represent in

y=mx+b

Accepted Answer

y-intercept

Answer

x-intercept

Answer

zero

Answer

slope

Question 29

Which best describes the form of this scatterplot?

Accepted Answer

nonlinear

Answer

linear

Answer

scattered

Question 30

What type of association does this graph have?

Accepted Answer

positive

Answer

negative

Answer

no association

Answer

all of the above

Question 31

What type of association does this scatter plot represent?

Accepted Answer

no association

Answer

positive linear association

Answer

negative linear association

Answer

ALL OF THE ABOVE

Question 32

Make a prediction for a resting heart rate after 6 hours of exercise a week.

Accepted Answer

55

Answer

6

Answer

50

Answer

59

Question 33

What type of correlation does this scatterplot display?

Accepted Answer

Negative

Answer

Positive

Answer

No Correlation

Question 34

Which graph shows a line of best fit (trend line) for the scatter plot?

Accepted Answer

Graph C

Answer

Graph A

Answer

Graph B

Answer

Graph D

Question 35

Which scatterplot suggests a linear relationship between x and y?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 36

Which scatterplot does NOT suggest a linear relationship between x and y?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 37

The daily attendance at a bowling alley was recorded for 15 days. The scatterplot shows the number of lanes rented each day and the number of people who bowled that day. Which statement is best supported by the scatterplot?

Accepted Answer

There is a positive linear association between the number of lanes rented and the number of people who bowl.

Answer

There is a non-linear assocation between the number of lanes rented and the number of people who bowl.

Answer

There is a negative linear association between the number of lanes rented and the number of people who bowl.

Answer

There is no apparent association between the number of lanes rented and the number of people who bowl.

Question 38

Julie made 25 international long-distance phone calls to London last month. The scatterplot below shows the length and cost of each phone call she made. Which conclusion is best supported by the scatterplot?

Accepted Answer

There is no relationship between the length of a call and the cost of a call.

Answer

As the length of a call increases, the cost of the call increases.

Answer

As the length of a call increases, the cost of the call remains the same.

Answer

As the length of a call increases, the cost of the call descreases.

Question 39

An image is dilated at a scale factor of 1.5. This means the dilation is an enlargement and the dilated image will be bigger.

Accepted Answer

True

Answer

False

Question 40

When the scale factor of a dilation is less than one, the dilation is a reduction.

Accepted Answer

True

Answer

False

Question 41

If a dilation has the rule
$$(x,y)→(2.5x,2.5y)$$ what type of dilation is this?

Accepted Answer

enlargement

Answer

reduction (shrink)

Question 42

What is the formula for scale factor?

Accepted Answer

$$\frac{new}{old}$$

Answer

$$\frac{old}{new}$$

Question 43

What side(s) will always be the longest on a right triangle?

Accepted Answer

The Hypotenuse

Answer

Leg A

Answer

Leg B

Answer

The Right Angle

Question 44

The Pythagorean Theorem ONLY works on which triangle?

Accepted Answer

right

Answer

obtuse

Answer

scalene

Answer

isosceles

Gr8 Math STAAR Review

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