8th Grade SBA Review

Solving Equations

100

Solve 4x+3=3x+8

x=5

200

Solve -2(x-5)=3x+3

x=7/5

300

Solve 2x+4=1/2(4x+8)

Infinitely Many Solutions

400

Solve 4x+1= 1

x=0

500

Fill in the blanks to make No Solutions

___x+___=____x+____

Coefficient must be the same, constant must be different

Geometry

100

The Pythagorean Theorem only works on _______ triangles

Right

200

The interior angles of a triangle add to _______ degrees

180

300

A reflection over the ___ axis flips a shape from left to right

y

400

Name two things you need to describe a rotation.

Degree and direction

500

The point A(3,4) is translated by <x-4, y+5>. Where is A'?

A'=(-1,9)

Graphs and Equations

100

What's the slope formula?

(y2-y1)/(x2-x1) OR rise/run

200

What's the slope of a line that passes through (4,5) and (0,2)?

m=3/4

300

Jack joins a gym that has a sign-up fee of $50, and charges $150 for 2 months. Write an equation in slope-intercept form.

y=75x+50

400

Write an equation for a line that passes through (0,2) and (4,5)

y=3/4 x + 2

500

Write an equation for a line that passes through (4,6) and (5,8)

y=2x-2

Exponents

100

Simplify 5²*5³

5⁵

200

Simplify 5⁴/5⁶

1/5²

300

RANDOM! What is a palindrome?

A word that is spelled the same forwards and backwards! (ex: kayak)

400

Simplify 5^-3

1/5³

500

What is the value of n?

5ⁿ*5³=5⁵/5²

n=0

Volume

100

What is the radius of a circle?

The distance halfway across

200

What is the volume of a cylinder?

V=pi*r²*h

300

A cone is what fraction of a cylinder?

1/3

400

How do you determine the height of a sphere?

It is twice the radius.

500

RANDOM! What activity has Ms. Brown not done competitively? 

a) Figure skating

b) Pinball

c) Bowling

d) Trap shooting

c) Bowling