Finding Zeros

Front

What are the zeros of the polynomial x^2 - 9?

Back

The zeros are x = -3 and x = 3.

Front

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

Back

The zero is -1.

Front

Identify the zeros of the function given by the equation: y = x^2 - 4.

Back

The zeros are x = 0 and x = 4.

Front

Find the roots of the polynomial x^2 - 25.

Back

The roots are x = -5 and x = 5.

Front

What is an x-intercept of the function y = x - 1?

Back

The x-intercept is 1.

Front

Define 'zero' in the context of a polynomial function.

Back

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

Front

What is the relationship between zeros and x-intercepts?

Back

Zeros of a function correspond to the x-intercepts of its graph.

Front

How do you find the zeros of a quadratic function?

Back

You can find the zeros by factoring, using the quadratic formula, or completing the square.

Front

What is the quadratic formula used for?

Back

The quadratic formula is used to find the zeros of a quadratic equation in the form ax^2 + bx + c = 0.

Front

What are the zeros of the polynomial x^2 + 4x + 4?

Back

The zeros are x = -2 (a repeated root).