Intro to Quadratics Review

Quadratic equations take the shape of a _______ when graphed.

• U
• straight line
• wavey line/snaked
• circle/elliptical

Tags

CCSS.HSF-IF.C.7A

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

What is the standard form of a quadratic function?

• y=mx+b

• ax+by=c

• f(x)=ax²+bx+c

• f(x)=(x+a)(x-b)

After how many seconds did the ball reach its maximum height? Choose the key feature and the answer.

• y-intercept, 3 secs

• x-value of the maximum, 4 secs

• y-value of the maximum, 5 secs

• y-intercept, 0 secs

What was the maximum height of the ball? Choose the key feature and the answer choice.

• y-intercept, 3 feet

• y-intercept, 0 feet

• x-value of the maximum, 4 feet

• y-value of the maximum, 5 feet

After how many seconds did the water reach its maximum height? Choose the key feature and the answer.

• x-value of maximum, 2 seconds

• y-value of maximum, 9 seconds

• y-intercept, 0 seconds

• x-intercept, 3.8 seconds

What was the maximum height of the water? Choose the key feature and the answer.

• y-intercept, 0 feet

• x-value of the maximum, 2 feet

• y-value of the maximum, 10 feet

• x-intercept. 3.85 feet

What key feature tells the initial height of the roller coaster?

• y-intercept

• x-intercept

• axis of symmetry

• vertex

Tags

CCSS.HSF-IF.C.7A

What was the height of the roller coaster at 6 seconds?

• 120 feet

• 50 feet

• 25 feet

• 100 feet

Solve the equation using the zero product property.
(x- 9)(x + 3) = 0

• x = 3 or x = 9
• x = 3 or x = -9
• x + -3 or x = 9
• x = -3 or x = -9

Tags

CCSS.HSA-REI.B.4B