Quadratic Formula Practice 2

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

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

If the discriminant equals zero, the quadratic has how many solutions?

• 2 real

• 2 complex

• 1 real

• 1 complex

• 0 real

Tags

CCSS.HSA-REI.B.4B

If the discriminant equals +35, the quadratic has how many solutions?

• 2 real

• 2 complex

• 1 real

• 1 complex

• 0 real

Tags

CCSS.HSA-REI.B.4B

If the discriminant equals -72, the quadratic has how many solutions?

• 2 real

• 2 complex

• 1 real

• 1 complex

• 0 real

Tags

CCSS.HSA-REI.B.4B

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which graph has a discriminant > 0?

• None of them

• Red

• Blue

• Green

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA.REI.B.4

Solve the quadratic equation.
2p² - 2p - 55 = 5

• A .  {3.28, -2.28}
• B .  {2.5, -1.78}
• C . {6, -5}
• D . {-1, 4}

Tags

CCSS.HSA-REI.B.4B

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.HSA-REI.B.4B