ACT Math Practice

Front

What is the formula for the area of a circle?

Back

A = πr², where A is the area and r is the radius.

Front

What is the solution to the equation x² - x = 72?

Back

x = 9.

Front

If 15 passengers share the cost of a bus rental and 7 have not paid, with $177.60 collected, what is the total cost?

Back

Total cost = $333.00.

Front

What does a line with a slope of 0 look like?

Back

A horizontal line.

Front

Solve for x: 2x + 3 = 3x - 4.

Back

x = 7.

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where C is the circumference and r is the radius.

Front

What is the quadratic formula?

Back

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

Front

What is the Pythagorean theorem?

Back

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

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What is the formula for the area of a triangle?

Back

A = 1/2 * base * height.