Finding Zeros of Quadratics

Front

What are the zeros of the quadratic equation x² - 2x - 24?

Back

The zeros are -4 and 6.

Tags

CCSS.HSA-REI.B.4B

Front

How do you factor the quadratic x² - 2x - 24?

Back

The factored form is (x - 6)(x + 4).

Front

What are the zeros of the quadratic equation x² - x - 20?

Back

The zeros are -4 and 5.

Tags

CCSS.HSA-REI.B.4B

Front

How do you factor the quadratic x² - x - 20?

Back

The factored form is (x - 5)(x + 4).

Front

Which value is a zero of the graph of a quadratic function?

Back

-1 is a zero of the graph.

Tags

CCSS.HSF-IF.C.7D

Front

What is a quadratic equation?

Back

A quadratic equation is a polynomial equation of degree 2, typically in the form ax² + bx + c = 0.

Front

What is the standard form of a quadratic equation?

Back

The standard form is y = ax² + bx + c.

Front

What does it mean for a number to be a zero of a function?

Back

A zero of a function is a value of x that makes the function equal to zero.

Tags

CCSS.HSF-IF.C.7D

Front

What is the relationship between the zeros and the factors of a quadratic?

Back

The zeros of a quadratic are the values of x that make the factors equal to zero.

Tags

CCSS.HSF-IF.C.7C

Front

How can you find the zeros of a quadratic equation using factoring?

Back

Set the factored form equal to zero and solve for x.

Tags

CCSS.HSA-REI.B.4B