SOS #7 Practice

Front

What is the simplification of 2i + 7i^9?

Back

9i

Front

Which method is NOT used to solve a quadratic equation?

Back

Matrices

Front

Solve the quadratic equation 2x^2 + 2x + 5 = 0 using the quadratic formula.

Back

Front

What is the axis of symmetry for the quadratic function y = 3x^2 - 2x + 1?

Back

x = 1/3

Front

Convert the quadratic equation y = 2x^2 + 8x - 1 to vertex form by completing the square.

Back

y = 2(x + 2)^2 - 9

Front

What is the quadratic formula?

Back

Front

Define the axis of symmetry in a quadratic function.

Back

The line that divides the parabola into two mirror-image halves, given by x = -b/(2a).

Front

What does it mean to complete the square?

Back

A method used to convert a quadratic equation into vertex form by adding and subtracting the same value.

Front

What is the vertex form of a quadratic function?

Back

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

Front

How do you find the roots of a quadratic equation?

Back

By using the quadratic formula, factoring, or completing the square.