Algebra 1 Formulas Review

Front

What does the 'c' in the standard form of a quadratic function represent?

Back

The y-intercept.

Front

What is the Quadratic Formula?

Back

x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}

Front

What is the Slope Formula?

Back

m = \frac{y_2 - y_1}{x_2 - x_1}

Front

How do you find the x value of the vertex of a quadratic function?

Back

x = -\frac{b}{2a}

Front

What is the Standard Form of a Linear Equation?

Back

Ax + By = C

Front

What does the 'a' in the standard form of a quadratic function affect?

Back

It affects the direction and width of the parabola.

Front

What is the vertex of a quadratic function?

Back

The highest or lowest point of the parabola.

Front

What does the discriminant in the quadratic formula indicate?

Back

It indicates the nature of the roots of the quadratic equation.

Front

What is the formula for the area of a triangle?

Back

Area = \frac{1}{2} \times base \times height.

Front

What is the relationship between the slope and the angle of a line?

Back

The slope is the tangent of the angle that the line makes with the positive x-axis.