Alg 2A - Benchmark 2 Review

Solve the system of equations: 

• ( -2, 3, -3)
• None of these
• ( -2, -3, 3)
• ( -3, 3, -2)

Tags

CCSS.HSA.REI.C.6

Solve the system:

8x + 4y = 12

2x + y = 3

• (0,3)

• (3,0)

• No solution(parallel lines)

• Infinitely many solutions

Factor:  27x³ + 8

• (3x + 2)(9x² - 6x + 4)
• (9x + 2)(3x² + 18x + 4)
• (3x²+4)(9x + 2)
• (27x + 8)(x² - 216x + 64)

Tags

CCSS.HSA.APR.C.4

x³ - 64

• (x - 4)(x² + 4x + 16)
• (x - 3)(x² + 3x + 9)
• (x - 5)(x² + 5x + 25)
• (x + 4)(x² - 4x + 16)

Tags

CCSS.HSA.APR.C.4

Identify the zeros

• x=2, x=6, x=-4
• (x+2)(x+6)(x-4)
• (x-2)(x-6)(x+4)
• x=-2, x=-6, x=4

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Find all the real zeros of the function 
f(x) = 2x³ - 19x² + 38x + 24 given that x-4 is a factor.

• x = 1/2, -6
• x = -1/2, 6
• x = 4, -1/2, 6
• x = -4, 1/2, -6

Tags

CCSS.HSA.APR.B.2

f(x)=x(x+4)(x-3)(x²-2)

Select all the zeros for the polynomial above.

• 0

• x

• -3

• 3

• ±√2

How many roots does the polynomial f(x) = 5x⁴ - x + 6 Have?

• 4

• 5

• 1

• 6

Given the system 
y = x² + 3x - 5
y = x + 3
Write the substitution equation (x² + 3x - 5 = x + 3) in standard form.

• x² + 4x - 2 = 0
• x² - 2x + 8 = 0
• x² + 2x - 8 = 0
• x² + 4x - 8 = 0

Tags

CCSS.HSA.REI.C.7

What are the solutions to the system:
y = x² + 3x - 5
y = x + 3

• (-4, 2) and (-1, 5)
• (-4, -1) and (2, 5)
• (2, -1 and (-4, 5)
• (-4, 1) and (2, -1)

Tags

CCSS.HSA.REI.C.7