CCSS.Math.Content.HSA.REI.B.4

The discriminant is

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

Tags

CCSS.Math.Content.HSA.REI.B.4

What are the solutions?

• 0 and 8
• -2 and -4
• 3 and -1
• 2 and 4

Tags

CCSS.Math.Content.HSA.REI.B.4

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Tags

CCSS.Math.Content.HSA.REI.B.4

In the equation x²+4=0, match each leading coefficient with its correct letter. 

• a=0 b=4 c=0
• a=1 b=4 c=0
• a=1 b=0 c=4

Tags

CCSS.Math.Content.HSA.REI.B.4

What is this formula?

• This is the speed of light formula.
• This is the quadratic formula.
• This is the zero product property.
• This is scary.

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve  7x²  - 28x = 0

• x = 4, x = 7
• x = 0, x  = 4
• x = 0, x = -4
• x = -4, x = -7

Tags

CCSS.Math.Content.HSA.REI.B.4

The discriminant is

• ax²  + bx  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Tags

CCSS.Math.Content.HSA.REI.B.4

What are the solutions?

• -.5, 3.5
• 0,6
• -2.5, 4.5
• -1, 4

Tags

CCSS.Math.Content.HSA.REI.B.4

CCSS.Math.Content.8.EE.C.7

What is the discriminant of -2x² − x − 1 = 0

• 76

• -7

• 9

• none of these

Tags

CCSS.Math.Content.HSA.REI.B.4

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

Tags

CCSS.Math.Content.HSA.REI.B.4