Semester 2 Quadratic

Solve the equation: (x - 1)(x - 8) = 0

• A. x = -1, x = -8

• B. x = 1, x = -8

• C. x = 1, x = 8

• D. x = 2, x = 8

Factor the greatest common factor?

Which equation has –2 and 3 as its zeros (solutions)?

• (x – 2)(x + 3) = 0

• (x + 2)(x + 3) = 0

• (x + 2)(x – 3) = 0

• (x – 2)(x – 3) = 0

How would you translate the graph of y = a(x – h)² + k to produce the graph of y = 2(x – 3)² – 4?

• translate the graph of y = x² down 4 units

• translate the graph of y = x² up 4 units

• translate the graph of y = x² left 4 units

• translate the graph of y = x² right 4 units

Which polynomial is written in standard form?

• 3x⁴ + 5x² - 4 = 0

• -4 + 5x² + 3x⁴ = 0

• 5x² + 3x⁴ - 4 = 0

• -4 + 3x⁴ + 5x² = 0

Figure 2 (below) shows the height h of a model rocket t seconds after it is launched from the ground at 80 feet per second. Where (x interval) is the height of the rocket increasing?

• The rocket’s height is always increasing.

• The rocket’s height is always decreasing.

• The rocket’s height increases from 0 < t < 2.5.

• The rocket’s height increases from 2.5 < t < 5.

Identify the axis of symmetry for Figure 1.

• x = 1

• x = 2

• x = 3

• x = 0

Identify the vertex for Figure 1.

• (1, 0)

• (3, 0)

• (2, 3)

• (3, 2)