OST Practice Level 3

Front

Solve the system of equations: y = 4x + 1 and 3x + 2y = 13

Back

(1, 5)

Front

Solve for F in the equation S = 3F - 24

Back

F = (S + 24)/3

Front

Identify the standard form of a quadratic equation.

Back

y = ax² + bx + c

Front

What does the slope of $3.75 represent in a cost scenario?

Back

The cost of gas per gallon.

Front

Complete the square for the equation x² + 6x = 5.

Back

(x + 3)² = 14

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is the formula for the slope of a line?

Back

m = (y2 - y1) / (x2 - x1) where m is the slope.

Front

What does the term 'quadratic' refer to in mathematics?

Back

A polynomial of degree 2.

Front

What is the vertex form of a quadratic equation?

Back

y = a(x - h)² + k, where (h, k) is the vertex.

Front

What is the purpose of completing the square?

Back

To convert a quadratic equation into vertex form.