Linear and Quadratics

What is the vertex?

• (4,-4)

• (2,0)

• (0,2)

• (6,0)

Find the quadratic equation for the relationship of the horizontal distance and the height of the ball.

• -18x² + 2.11x + 4.21

• -.06x² +1.06x + 7.9

• -6x² +1.06x + 79

• -.12x² + 2.11x + 4.22

What is the slope?

• m= -3

• m=3/2

• m=-2/3

• m=2

Tags

CCSS.8.EE.B.5

Write in slope intercept form given the slope: m=3 and y int: -2

• y=2x+3

• y=2/3x

• y=3x-2

• y=3x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Tags

CCSS.HSA-REI.B.4B

• 1

• 3

• 2

• 5

• 4

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of the line?

• y = 1/2

• y = 1

• y = -1

• y = -1/2

Bob has $150 in his savings account and saves $40 per month. Which equation represents the amount Bob has in his account after x months?

• y = 150 + 40

• y = 150x + 40

• y = 40x + 150

• y = 40 + 150

Tags

CCSS.HSF-BF.A.1A

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Tags

CCSS.HSF-IF.C.7A