Semester Final Review

Front

What is the value of f(7) if f(x) = 2x^2 - 10x + 4?

Back

f(7) = 32.

Front

Solve for x: x - 19 = 5x + 9

Back

x = -7.

Front

Simplify the expression 20x^4y ÷ (5x^3/y^2)

Back

4xy^3.

Front

Which inequality best represents the graph of y?

Back

y > 1/2x + 2.

Front

If the perimeter is 63 cm, find x.

Back

x = 18.

Front

What is the standard form of a quadratic equation?

Back

The standard form is ax^2 + bx + c = 0.

Front

Define a linear equation.

Back

A linear equation is an equation of the first degree, meaning it has no exponents greater than one.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the quadratic formula?

Back

The quadratic formula is x = (-b ± √(b^2 - 4ac)) / (2a).