CCSS.Math.Content.HSA.REI.B.4

Identify the 'a' value: y = 16x² -8x -24

• 16
• 8
• -8
• -24

Tags

CCSS.Math.Content.HSA.REI.B.4

Find the area of the region enclosed by the lines and curves.

y = 3x + 4 and y = x² + 4

• 9

• 93/2

• 9/2

• 18

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve the equation by factoring:
x²-6x+8=0

• 2, 4
• -2, -4
• -2, 4
• 2, -4

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve for x.  Round to the nearest hundredth if necessary.
3x² = 16x + 12

• x = -.67, 6
• x = -6, .67
• x = 3.33, 18
• x = -3.33, 18

Tags

CCSS.Math.Content.HSA.REI.B.4

The standard form of a quadratic function is

• ax² + bx + c

• a(x - h)² + k

• y - y₁ = m(x - x₁)

• Ax + By = C

Tags

CCSS.Math.Content.HSA.REI.B.4

Which equation below is a quadratic?

• y=9x+5
• y=3x²-6
• y=5x³+6
• x=3^x

Tags

CCSS.Math.Content.HSA.REI.B.4

Say 'TRUE' or 'FALSE'
Every Quadratic equation has exactly one root

• TRUE
• FALSE

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve.

x² - 10 = -10

• x= 0

• No Real Number Solution

• x = ±5

• x = 2, 5

Tags

CCSS.Math.Content.HSA.REI.B.4

Charlie shoots a basketball from a height of 6 feet with an initial upward velocity of 18 feet per second. How long will it take the ball to hit the floor if it doesn't hit the basket?

• 1.39 seconds

• 0.6 seconds

• 6 second

• 11 seconds

Tags

CCSS.Math.Content.HSA.REI.B.4

A model rocket is launched from ground level. Its height, h meters above the ground, is a function of time t seconds after launch and is given by the equation h = −4.9t² + 68.6t.

What would be the maximum height, to the nearest meter, attained by the model?

• 243

• 242

• 241

• 240

Tags

CCSS.Math.Content.HSA.REI.B.4