Math I - DHQ 5/7

Which of the following represents the solutions to the equation:  
3x² + 4x – 20 = 0?

• 0 and -20
• 3.33 and -2
• -3.33 and 2
• -0.67 and -21.33

Tags

CCSS.HSA-REI.B.4B

The two solutions to y= 2x² - x - 3 are...

• 1 and 1.5
• -1 and 1.5
• -1 and -1.5
• 1 and -1.5

Tags

CCSS.HSA-REI.B.4B

To solve a quadratic by graphing is to find where the parabola crosses the x-axis. We call these the ___. Select all that apply.

• zeroes

• x-intercepts

• solutions

• roots

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

Find the vertex. 
y = 3x² - 12x + 1

• (-2, 37)
• (2, 1)
• (2, -11)
• (4, 97)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7