Pre ACT Math Practice

Front

What is the x-intercept of the graph of y = x² – 4x + 4?

Back

The x-intercept is the point where the graph crosses the x-axis. For the equation y = x² – 4x + 4, the x-intercept is 2.

Front

What is 4% of 80?

Back

To find 4% of 80, multiply 80 by 0.04. The answer is 3.2.

Front

What is the minimum score Kelly needs to pass a 60-point math test with at least 75%?

Back

To find the minimum score, calculate 75% of 60, which is 45.

Front

Which of the following is a factor of the polynomial 2x² – 3x – 5?

Back

The factor is 2x - 5.

Front

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

Back

The sum is 2x² + 3x + 1.

Front

What is a polynomial?

Back

A polynomial is a mathematical expression consisting of variables, coefficients, and non-negative integer exponents.

Front

Define the term 'factor' in mathematics.

Back

A factor is a number or expression that divides another number or expression evenly.

Front

What is the formula for finding the area of a rectangle?

Back

The area of a rectangle is found using the formula: Area = length × width.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (in decimal form).

Front

What is the quadratic formula?

Back

The quadratic formula is used to find the roots of a quadratic equation: x = (-b ± √(b² - 4ac)) / (2a).