ACT Math Practice

Front

Sales for a business were 3 million dollars more the second year than the first, and sales for the third year were double the sales for the second year. If sales for the third year were 38 million dollars, what were sales, in millions of dollars, for the first year?

Back

16

Tags

CCSS.7.EE.B.4A

Front

What is the greatest common factor of 42, 126, and 210?

Back

42

Front

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

Back

n + 9

Tags

CCSS.6.EE.A.2A

Front

Choose the letter that represents the missing length in the figure.

Back

6

Tags

CCSS.8.G.B.8

Front

Find the sum: (5x^2 - 3x + 4) + (6x - 3x^2 - 3)

Back

2x^2 + 3x + 1

Tags

CCSS.HSA.APR.A.1

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Tags

CCSS.8.G.B.8

Front

What is the definition of a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1) for two points (x1, y1) and (x2, y2).

Tags

CCSS.8.EE.B.5

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a) for the equation ax² + bx + c = 0.

Tags

CCSS.HSA-REI.B.4B