8th Grade GMAS Review

8th Grade Math 1

100

3⁻¹

1/3

200

a⁷⋅a⁻⁷

1

300

What is the equation for this line?

y=3x-1

400

The table below show the relationship between x and y. What equation represents the same relationship?

y=1/4x

500

What is the y-intercept of the line?

2 

8th Grade Math 2

100

Park A is 8.62 x 10^3 sq. feet. Park B is 1.56 x 10^5 sq. feet. How many times greater is Park B than Park A? Write answer in scientific notation and round to the nearest 10th.

1.8x10¹

200

Write the number below in standard notation

.000452

4.52 x 10^-4

300

Solve the system
y=4x - 9

y = 1x - 3

(2,-1)

400

On a graph, how can you determine if graph is proportional?

the line goes thru the origin

500

What is a property that nonlinear functions have?

not straight line

8th Grade Math 3

100

An airplane is at 39,000 feet above the ground and begins to descend at a rate of 1,800 feet per minute. Write an equation that represents this.

y=-1800x+39000

200

What is happening from 5 to 15 seconds?
A. Standing Still
B. Constant Speed moving Forward
C. Constant Speed moving Backward
D. Going in a straight line

A. Standing Still

300

The opposite of squaring a number is taking the...

Square root

400

In this DISTANCE vs TIME graph, how far away did Marie get from home? 

20 miles

500

Rational or irrational ?

Rational

8th Grade Math 4

100

x²=81

x=+/-9

200

∛343

7

300

√34 is approximately where on the number line?

D

400

Is the set a function? (1,4) (-1,4) (3,6) (5,8)

yes

500

A:y=1/4x + 6     Which has the greatest rate of change?

B:

(2,6)

(4,4)

(6,8)

b

8th Grade Math 5

100

Function or not a function?

Function

200

What two whole numbers is √56 in between and what number is it closer to?

In between 7 and 8. Closer to 7.

300

The front of a hiking tent is shaped like a triangle. The slanted sides are both 5 feet long and the bottom of the tent is 6 feet across. What is the height of the tent in feet at the tallest point?

4

400

Find the volume of a cone with a height of 9 and radius of 3. Round to the nearest tenth.

27 pi OR 84.8

500

Find the missing length

7.5

8th Grade Math 6

100

(3.4 x 10⁴) x (3.25 x 10⁶)

1.105 x 10¹¹

200

What is the slope of  y=7x+12

7

300

What is the equation? 

x = 0

400

What is the equation of the line shown in the graph? 

y=-2/3 x + 5

500

What type of association is shown below? 

Negative