Unit 4A Quadratics Review

Solve the equation for all values of x in simplest form.

3x² - 2 = 25

• x = 3 and x = -3

• x = 2 and x = -2

• x = 3

• x = -3

Tags

CCSS.8.EE.A.2

Solve the quadratic equation for all values of x in simplest form.

x² - 81 = 0

• x = 1 and x = 9

• x = 9 and x = -9

• x = 1 and x = 81

• x = 1

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation for all values of x in simplest form.

(x + 1)² = 25

• x = -5

• x = 5 and x = -5

• x = 4 and x = -6

• x = 3 and x = 4

Tags

CCSS.HSA-REI.B.4B

What is the axis of symmetry of the graph below?

• y=1

• x = -4

• x = 1

• (1, -4)

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the graph below?

• (-4, 1)

• (-1, 0)

• (1, -4)

• (3,0)

Tags

CCSS.HSA.REI.B.4

What is the interval of increase of this graph?

• (1, ∞)

• (-∞, 1)

• (-1, 3)

Tags

CCSS.HSF-IF.C.7A

The product of two consecutive numbers is 210. What are these two numbers?

• 10 and 11

• 20 and 21

• 14 and 15

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

A living room is 2 feet wider than its length. The area of the room is 120 square feet. What is the length of the room?

• 10 ft

• 8 ft

• 12 ft

• 20 ft

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Describe the end behavior of the graph.

• x → ∞, y→ ∞ and
  x→ ∞, y→⁻∞
• x → ∞, y→ ∞ and
  x→⁻∞, y→∞
• None of these
• x →∞,y→⁻∞ and
  x→∞, y→⁻∞

Tags

CCSS.HSF-IF.C.7A

Find the average rate of change from the interval 3 ≤ x ≤ 5

• -1/13

• -13

• 13

• 5

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6