Features of Quadratics in Context

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

Tags

CCSS.HSF-IF.C.7A

Use the graph to determine the X-intercepts

• (-1,0) and (-3,0)

• (1,0) and (3,0)

• (0,1) and (0,3)

• (0,-1) and (0,-3)

Tags

CCSS.HSF-IF.C.7A

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

Tags

CCSS.HSF-IF.C.7A

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

When the vertex is the highest point of the graph, we call that a ​ (a)   .

• maximum

• parabola

• point of interest

• minimum

Answer explanation

When the vertex is the highest point on the parabola, we call it a maximum.

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

• Zeros/Roots

• vertex

• y-intercept

• (0, -48)

• (1, -50)

• (-4, 0) & (6, 0)

Members of the math club launched a model rocket. This can be modeled with the function h(t) = -16t² + 96t. Which statement is NOT true?

• The rocket is at the same height at 2 seconds and at 4 seconds.

• The rocket is in the air for 6 seconds.

• The rocket takes the same amount of time to go up as it takes to come down.

• The rocket reaches a maximum height of 140 feet.

• The ball hits the ground in 6.2 seconds.

• x-intercept

• The ball is launched from 20 feet

• y-intercept

• Reaches a max of 164 feet in 3 seconds.

• vertex

• y-intecept

• vertex

• (-3, 8)

• (0, 10)

• (-5, 0) & (-1, 0)

• (3, -8)

• roots/zeros

• (3, 8)