Solving Quadratics

Front

What is another word for zeros?

Back

Roots

Front

Find the zeros of this quadratic: y = 5b^2 + 20b + 15

Back

b = -1, b = -3

Front

Solve by taking square roots: 5b^2 - 4 = 41

Back

b = 3, b = -3

Front

What are the zeros of the function y = 2x^2 - 8?

Back

x = 0 and x = 4

Front

Calculate b^2 - 4ac for the quadratic equation y = 2x^2 - x - 3.

Back

25

Front

What is the vertex of the quadratic function y = x^2 - 4x + 4?

Back

(2, 0)

Front

What does the axis of symmetry represent in a quadratic function?

Back

It is the vertical line that divides the parabola into two mirror images.

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c

Front

How do you find the vertex of a quadratic function in standard form?

Back

Use the formula x = -b/(2a) to find the x-coordinate.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a)