Algebra Review

Solve the equation 3x+2y= -10 for y.

• y= -3/2 x -5

• y= -3/2 x -10

• y= -3x - 5

• y= -2/3 x -5

Simplify the expression. ab(a²+b²)

• 2a²b+2ab²

• 2a³b³

• 2a²b²

• a³b + ab³

Multiply. (y-2)(y²+y+4)

• y³+2y²+2y-8

• y³-y²+2y-8

• y³-2y+4

• y³+2y²-8

Simplify the expression. 3(2x-y) -(5x+4y-2)

• x-7y+2

• x+y-2

• x-7y-2

• 8x-7y-2

Find the perimeter of the triangle whose side lengths are (x+2), (2x-4), and (3x-7)

• 6x+13

• 6x-7

• 6x-13

• 6x-9

Find the perimeter of the square whose side lengths are (3x-1)

• 12x-4

• 9x²-1

• 9x²-6x-1

• 6x-2

There are 20 students in math class. There are 2 more than twice the number of girls as boys, how many boys?

• 14

• 12

• 9

• 6

Multiply (2x+5)(x-4).

• 2x²-20

• 2x²+x-20

• 2x²+3x-20

• 2x²-3x-20

Simplify, no negative exponents. -45x²y³/9xy⁵

• -5/xy²

• -5x/y²

• 5xy²

• -5xy²

Find the slope of a line containing the points (2,-3) and (-2,-5)

• 2

• -2

• 1/2

• -1/2