ACT Math Practice 1

Front

What is the sum of (5x² - 3x + 4) + (6x - 3x² - 3)?

Back

2x² + 3x + 1

Front

If a triangle has two angles measuring 45 degrees each, what is the measure of the third angle?

Back

90 degrees

Front

What is the slope-intercept form of the equation 3y + 2x = 24?

Back

y = -⅔x + 8

Front

What is the ratio of boys to girls if there are 45 boys and 54 girls?

Back

5:6

Front

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

Back

7m + 9

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / 2a

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is the Pythagorean theorem?

Back

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

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1)