ACT Math Practice 1

Front

What is the algebraic expression for "the sum of n and 9"?

Back

n + 9

Tags

CCSS.6.EE.A.2A

Front

Find the area if a = 13 in, b = 9 in and c = 16 in.

Back

58.5 in²

Tags

CCSS.6.G.A.1

Front

Find the sum: (5x² - 3x + 4) + (6x - 3x² - 3)

Back

2x² + 3x + 1

Tags

CCSS.HSA.APR.A.1

Front

What is the sum: -7 + 5?

Back

-2

Tags

CCSS.7.NS.A.1C

Front

Simplify: (1/3)(21m + 27)

Back

7m + 9

Tags

CCSS.7.EE.A.1

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 quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a)

Tags

CCSS.HSA-REI.B.4B

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 definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Tags

CCSS.6.EE.A.2B

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Tags

CCSS.6.EE.A.3