MES43 Final Review

The sum of x^2 - 7x + 4 and x - 9 is

• x^2 - 8x + 4
• x^2 - 6x - 5
• x^2 - 5x - 9
• x^2 - 7x - 5

If A = 3m^2 + 4m + 5 and B = 2m^2 + 3m + 7 , then A - B equals

• m^2 - 2m + 3
• 5m^2 + 7m + 2
• m^2 + m - 2
• m^2 + 2m + 3

Amy is given a rectangular piece of

paper. If the length of Amy's piece of

paper is represented by 2x + 3 and the

width is represented by 5x - 2, then the

paper has a total area represented by

• 7x^2 + 8x - 4
• 10x^2 + 11x - 6
• 3x^2 + 5x - 2
• 6x^2 + 7x - 3

The roots of the equation 5x^2 + 2x - 3 = 0 are

• x = 0, x = 1/2

• x = -1, x = -3/5

• x = 1, x = -1
• x = -1, x = 3/5

Which trinomial is equivalent to 2(x - 5)^2 - 3(x + 1) ?

• 2x^2 - 28x + 47

• 2x^2 - 23x + 47

• 2x^2 - 13x + 22

• 2x^2 - 23x + 53

The greatest common factor of 5x^3y^2 and 10xy^2

• 5xy^2

• 2xy

• 15x^4y^4
• 25x^3y^4

When factored completely, the

expression k^4 - 16 is equivalent to

• (k + 2)(k - 2)
• (k^2 + 4)(k^2 - 4)
• (k^2 + 4)(k + 2)(k - 2)

• (k^2 - 4)(k^2 - 4)

The zeros of the function f(x) = (x + 1)^2 - 36 are

• x = -7, 5

• x = -7, -5

• x = 7, 5

• x = 7, -5

What is the axis of symmetry of the parabola represented by y = x^2 + 2x - 1

• x = 1

• x = -2

• x = 0

• x = -1

Subtract 3x^2 – x + 2 from 5x^2 + 3x - 7. Express the result as a trinomial.

• 2x^2 + 4x - 9
• 5x^2 + 2x - 5
• 3x^2 - 2x + 4
• 4x^2 + 5x - 3