4.4 Quadratic Formula

In the equation
y = x² +5x +7, match each leading coefficient with its correct letter 

• a=0, b=5, c=7
• a=1, b=5, c=7
• a=7, b=5, c=1

Solve Using the Quadratic Formula 
2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for
y = -x² - 5x + 12

• -4.9 and -0.1
• -8.54 and 8.54
• -0.45 and 3.55
• -6.77 and 1.77

Tags

CCSS.HSA-REI.B.4B

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3
• 2, 3
• 2, -3
• -2, -3

Tags

CCSS.HSA-REI.B.4B

How many solutions does the equation 4x² + 4x + 1 = 0 have?

• 0
• 1
• 2
• More than 2

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, you will have....

• two real solutions
• two irrational solutions
• two imaginary solutions
• one solution

Tags

CCSS.HSA-REI.B.4B

If the discriminant is a perfect square you will have.....

• two real solutions
• two irrational solutions
• one solution
• two imaginary solutions

Tags

CCSS.HSA-REI.B.4B

If the discriminant is not a perfect square, then you will have

• two real solutions
• two irrational solutions
• two imaginary solutions
• one solution

Tags

CCSS.HSA-REI.B.4B

What is the name of the imaginary line that cuts a parabola in half and goes through the vertex?

• the middle
• axis of symmetry
• minimum
• standard form

Tags

CCSS.HSF-IF.C.7A