Midterm Review

Factor completely.
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Factor completely:
 3x² + 5x - 12

• (3x + 4)(x-3)
• (3x - 4)(x + 3)
• (3x + 3)(x -4)
• (3x - 3)(x + 4)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Factor completely.
5x² - 7x + 2

• 5(x - 2)(x + 1)
• (5x - 2)(x + 1)
• (7x - 1)(x - 4)
• (5x - 2)(x - 1)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve the system of equations:
2x + 3y = 6
4x - y = 5

• x = 2, y = 0

• x = 0, y = 2

• x = 1, y = 2

• x = 1, y = 1

On a number line, the interval (-2, 5] is represented. Which inequality corresponds to this interval?

• -2 < x ≤ 5

• -2 ≤ x < 5

• -2 < x < 5

• -2 ≤ x ≤ 5

Which of the following is the simplified form of √96?

• 6√16

• 6√4

• 4√6

• 16√6

Which of the following represents the standard form of a quadratic equation?

• ax + bx² + c = 0

• ax² + c = 0

• ax² + bx + c = 0

• bx² + ax + c = 0

Which of the following is the simplified form of √-50?

• 5i√2

• 5√2i

• 10i

• 10√5i

If i is the imaginary unit, what is the result of (√-9) * (√-4)?

• -6

• 6

• 6i

• -6i

Find the roots of the quadratic equation by factoring:
x² + 7x + 10 = 0

• x = 2, x = 5

• x = 1, x = 10

• x = -1, x = -10

• x = -2, x = -5