Math 1 Chapter 4 Review

Front

Solve for x: 4(2 – x) + 2x = 13 – 3x

Back

x = 5

Front

What is the meaning of the y-intercept?

Back

The y-intercept is the initial value of a function when x = 0, e.g., Colby's initial deposit was $100.

Front

Simplify: 3x + 2x

Back

5x

Front

Simplify: (-3x^4y^5)^2

Back

9x^8y^{10}

Front

What does a boxplot represent?

Back

A boxplot visually summarizes the distribution of a dataset, showing median, quartiles, and outliers.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the Pythagorean theorem?

Back

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

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What is the slope of a line?

Back

The slope (m) is the ratio of the rise (change in y) over the run (change in x).

Front

What is the quadratic formula?

Back

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