8th Grade Math Review

Front

Which expression represents a negative number?

Back

-12 ÷ -6

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

Simplify: −x² + 2 − 1 + 6x² − 4x²

Back

x² + 1

Front

What is the definition of slope?

Back

Slope is known as rise/run.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a line with a rise of 1 and a run of 3?

Back

1/3

Tags

CCSS.8.EE.B.5

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

If one angle of a triangle is 90 degrees, what type of triangle is it?

Back

Right triangle.

Tags

CCSS.4.G.A.2

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Tags

CCSS.6.G.A.1

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.

Tags

CCSS.8.G.B.8

Front

What is the value of x in the equation 2x + 3 = 11?

Back

x = 4.

Tags

CCSS.7.EE.B.4A

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Tags

CCSS.6.EE.A.2B