Honors Alg2_Mid-chapter 3 Test Review

Front

Factor completely: 3x^2 - 9x - 120

Back

3(x - 8)(x + 5)

Front

Find the axis of symmetry for f(x) = x^2 - 8x + 15 using x = -\frac{b}{2a}

Back

x = 4

Front

Does the equation have a max or min? y = 2x^2 + 7x + 5

Back

min

Front

Calculate: (4 - 2i) - (3 + 6i)

Back

1 - 8i

Front

What is the y-intercept of the function f(x) = (x - 7)(x + 3)?

Back

(0, -21)

Front

Definition: Axis of Symmetry

Back

A vertical line that divides a parabola into two mirror images, given by x = -\frac{b}{2a}.

Front

Definition: Maximum Value of a Quadratic Function

Back

The highest point on the graph of a parabola that opens downwards.

Front

Definition: Minimum Value of a Quadratic Function

Back

The lowest point on the graph of a parabola that opens upwards.

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c, where a, b, and c are constants.

Front

How to find the vertex of a parabola?

Back

Use the formula (h, k) where h = -\frac{b}{2a} and k = f(h).