Chapter 8 pt. 2 Solving Quadratics

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Solve using the quadratic formula:

2x² + 2x - 12?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

Tags

CCSS.HSF-IF.C.7A

Solve using the quadratic formula:

3x² - 11x + 10

• 1.7 or 2

• 1 or 2

• 1.5 or 2

• -1.7 or 2

Solve using the quadratic formula:

8x² - 6x + 1 = 0

• No Solution

• 0 or 1

• -0.5 or -0.25

• 0.25 or 0.5

Solve using the quadratic formula:

2x² + 7x + 15 = 0

• -1.5 or 5

• No Solution

• -5 or 1.5

• 0.7 or 5

How many zeros does this parabola have?

• 3

• 2

• 0

• 1

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA.REI.B.4

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A