Alg 2: Topic 9 Test Review

Mathematical Equivalence

OFF

Find the standard form of the equation of the parabola whose focus (0, 6) and a directrix y=-6.

• y² = 24x

• y² = 4x

what is the equation of a circle with radius of 3 and center at the origin?

Mathematical Equivalence

ON

The equation of a circle centered at (-3, 5) with radius of 6 units is (x + ​ (a)   )² + (y - ​ (b)   )² = ​ (c)   .

• 3
• 5
• 36
• 6
• -3
• -5

Given f(x) = (x-3)² + 5.  What transformations took place from the original function f(x)?

• Left 3 and up 5
• Right 3 and down 5
• Left 3 and down 5
• Right 3 and up 5

• 6

• 4

• 16

• 36

• The center is located at (4, -1)

• The major axis is 3 units long

• The vertices are located at (4, 2) and (4, -4)

Find the sum (2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x²+ 5x -7

• -2x² + 11x -4