RC 4 Algebra I

4x+8y=20

-4x+2y=-30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Simplify (2x⁴y⁷)³

• 6x⁷y¹⁰

• 6xy³²

• 8x¹²y²¹

Factor
12j²k³ - 20hj

• 4j(3jk³ - 5h)
• 4j(6jk³ - 10h)
• 4j(3jk² - 5h)
• 4j²(24j²k³ - 20h)

What is the GCF of the terms below?

24x³ + 36x²

• 8x

• 6x²

• 12x²

• 4x

• 12x³

• A
• B
• C
• D

• A
• B
• C
• D

Solve by taking the square root:

4x² = 100

• ±10

• ±25

• ±5

• 5

Factor
x² + 12x + 36

• (x + 6)(x +6)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 6)(x - 6)

Factor
k²+7x+10

• (k+2)(k+5)
• (k-2)(k-5)
• (k+10)(k+4)
• (k+2)(k-5)

Simplify:
3x³(2x² + 9x + 6)

• 6x⁵ + 27x⁴ + 18x
• 6x⁵ + 18x² + 9
• 6x⁵ + 27x⁴ + 18x³
• 6x⁵ + 45x³