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

What is the vertex of this quadratic equation?  
y = 2(x - 2)²  +  5

• (-2,5)
• (2,5)
• (5,-2)
• (-5,-2)

Tags

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

Solve by factoring.
15 = 8x² - 14x

• x = -5 or x = 3/8
• x = -2/5 or x = 4/3
• x = -3 or x = 5/8
• x = -3/4 or x = 5/2

Tags

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

Factor:   3x²- 6x - 24

• (3x - 8)(x + 3)
• (3x + 4)(x - 6)
• 3(x - 2)(x + 4)
• 3(x + 2)(x - 4)

Tags

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

Factor
x² -16x + 48

• (x - 12)(x - 4)
• (x + 6)(x - 8)
• (x + 12)(x - 4)
• (x -16)(x - 3)

Tags

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

2) Factor: m² + 8m + 15

• (m + 2)(m +6)

• (m + 1)(m + 7)

• (m + 4)(m + 4)

• (m + 3)(m + 5)

Tags

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

Solve by taking square roots:

5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no real solution

Tags

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

If the discriminant is equal to -2, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

Tags

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

Solve using the quadratic formula:

x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

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

What is the vertex?
y = -2x² + 4x + 3

• (0, 3)
• (-1, 5)
• (1, 5)
• (1, -5)

Tags

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

The parabola y = x² - 2x + 4

• will have a minimum vertex.

• will have a maximum vertex.

Tags

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