Quadratic Functions

Front

Where does the graph
y=3(x-1) ² - 8 increase? Options: (-∞,8), (8,∞), (-∞,1), (1,∞)

Back

(1,∞)

Front

What is the vertex form for a vertex of (-3,-5) and when a=-2?

Back

y = -2(x+3)²-5

Front

Axis of symmetry of the function? Options: y = 1, y = -1, x = 1, x = -1

Back

x = 1

Front

Identify the vertex and whether the graph opens up or down. Options: (-1, 4); opens up, (-1, 4); opens down, (1, 4); opens up, (1, 4); opens down

Back

(1, 4); opens down

Front

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

Back

x = -3

Front

What constant should be added to x²+16x to complete the square?

Back

64

Front

Convert to vertex form. Options: y=3(x+1)² - 8, y=3(x-1)² - 8, y=3(x+2)² - 8, y=3(x-2)² - 8

Back

y=3(x+1)² - 8

Front

What is the vertex of y=x²+4x+3?

Back

(-2,-1)

Front

Convert to vertex form: Options: y=-(x-5)² + 21, y=-(x+5)² + 21, y=-(x+10)² + 21, y=-(x-10)² + 21

Back

y=-(x-5)² + 21

Front

Equation of quadratic in vertex form given vertex: (4, -2), point: (0,-6), opens down

Back

f(x)=-1/4(x-4)²-2