Solving Quadratics with Tables and Graphs

The name for an equation that contains an x² term is...

• Parabola

• Vertex

• Quadratic

• Linear

How many zeros does this graph have?

• None

• One

• Two

• Can not be determined

When does the ball hit the ground?

• ~ 5 seconds

• ~ 6 seconds

• ~ 7 seconds

• ~ -2 seconds

• ~ 4 seconds

Use the graph of the function f(x)=-2x²+4x+6 to find the solution(s) of the equation -2x²+4x+6=0.

• x=-1

• x=3

• x=-1 and x=3

• x=1and x=8 

A table of values for quadratic function, h(x) is shown at the right. State all of the solutions when h(x) = -45.

• x = 5 only

• x = 5 and x = -7

• x = 0 and x = -9

• x = 5 and x = -9

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

Use the graph to solve the equation: x²+x-6=0

• x= -6

• x=0

• x=3 and x= -2

• x= -3 and x=2

• -1 and 3
• 1 and -3
• -1 and -3
• 1 and 3

Use the graph to solve 2x² + 12x - 18 = 0

• x = 3 and x = -3

• x = 3

• x = -3

• No real solutions

Using this graph, solve the equation x²+4x+5=2

• No solution

• x = -2

• x = -3 and x= -1

• x = 5