Algebra A Review#1

Solve for x.

2x + 1 = 5

• x = 2

• x = 1

• x = 3

• x = 13

Solve using Order of Operations.

9(4 x 5) + 3 x 2

• 209

• 19

• 186

• 190

Simplify by combining like terms. 
8x + 4d + 7y + y + 3x = 

• 10x=
• 84713xdy=
• 11x+ 4d + 8y=
• 5x + 11dy=

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

Give the x-intercept
3x + 8y = 24

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)

Simplify the exponential expression.

• 2x⁶y¹²
• 2x⁵y⁷
• 8x⁶y¹²
• 8x⁵y⁷

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

What is the algebraic expression for the phrase "5 more than 3 times a number?"

• 8
• 5 + 3x
• 5 + 3 x 10
• 3 + n + 5

What is the algebraic expression for "a number tripled is equal to 18?"

• 18 + 3 = n
• 6
• 3 x 6 = 18
• 3n = 18

What is the algebraic expression for "Twice x, decreased by 9?"

• 9 - 2x
• 2 + x - 9
• 2x - 9
• 2x / 9