Quadratic Formula Solve

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Identify the values of A, B, and C

• A=1, B=7, C=-20

• A=10, B=7, C=20

• A=10, B=-7, C=-20

• A=10, B=7, C=-20

What does the discriminant determine?

• Whether the graph goes up or down

• The vertex

• The number of Solutions

• The y-intercept

Tags

CCSS.HSA-REI.B.4B

What is the discriminant in the Quadratic Formula?

• -b + 4ac

• b - 4ac

• -b² - 4ac

• b² - 4ac

Tags

CCSS.HSA-REI.B.4B

If the discriminant is positive, how many solutions does the graph have?

• 2

• 1

• 0

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, how many solutions does the graph have?

• 2

• 1

• 0

Tags

CCSS.HSA-REI.B.4B

If the discriminant is zero, how many solutions does the graph have?

• 2

• 1

• 0

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• -4.9 and -0.1

• -8.54 and 8.54

• -0.45 and 3.55

• -6.77 and 1.77

Tags

CCSS.HSA-REI.B.4B

Solve     8x² - 6x + 1 = 0

• No Solution

• 0 or 1

• -0.5 or -0.25

• 0.25 or 0.5

Tags

CCSS.HSA-REI.B.4B

Determine the values of a, b, and c for the quadratic equation: 7x² – 8x -9= 0

• a = 4, b = -8, c = 3

• a = 7, b =-8, c =-9

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3