Algebra I 8-1 to 8-3

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Name the Solutions.

• No Solution

• x = -2, x = -6

• x = 0, x = -2

• x = 0, x= -6

What is the first step to solve this equation:

-3x + 11 = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

What is the first step in solving this equation 8x - 6 = 10

• Add 6

• Subtract 8

• Divide by 8

• Subtract 6

4m + 5 = 10

Solve for m.

• 15/4

• 4/5

• 5/4

• 20

Members of the math club launch a model rocket from ground level with an initial velocity of 96 ft/sec.  This can be modeled with the function h(t) = -16t² + 96t.  When does the rocket hit the ground?

• 7 seconds

• 6 seconds

• 3 seconds

• 8 seconds

What is the equation for axis of symmetry?

• y = 3

• x = 3

• x = 5

• x = 1

• 2
• 4
• 6
• 8