Solving Quadratics by graphing

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

Tags

CCSS.HSF-IF.C.7C

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

Tags

CCSS.HSA.APR.B.3

.How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

Calculate the roots of the quadratic.

• x = 6 and 3

• x = 1 and 0

• x = 0 and 3

• x = 3 and 1

Tags

CCSS.HSA-REI.B.4B

What are the zeros of x²+9x+14

• 2, 7
• -2, -7
• 2, -7
• -2, 7

Tags

CCSS.HSA-REI.B.4B

What are the roots of x² - 16x + 63 = 0

• x = 5; x = -8

• x = 7; x = 9

Tags

CCSS.HSA-REI.B.4B