STAAR Prep Day 3

What is the range of the function?
*Hint: Range is all of the y-values included in the function. 

• y≤3
• y≥3
• All real numbers
• x≥3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of the function?
*Hint: Domain is the set of all x-values included in the function.

• x≥3
• x≤3
• All real numbers
• -1≤x≤5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of the graph?

• 1 ≤ x ≤ 5
• 1 < x < 5
• 1 ≤ y ≤ 5
• 1 < y < 5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Find the domain of the quadratic 2x²+4x-4.

• All real numbers
• x ≥ -6
• y ≥ -6
• -2.7 ≤ x ≤ 0.7

Find the range of the quadratic f(x) = x² + 5.

• All real numbers
• y ≥ 5
• y ≤ -5
• x ≥ 5

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Factor the polynomial: 
x² + 7x - 18

• (x + 2)(x - 9)
• (x - 6)(x + 3)
• (x - 2)(x + 9)
• (x + 6)(x + 3)

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSF-IF.C.7A