Complex Number and Quadratic Formula Practice

What are the solutions to x² - 3x = 5?

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

• -2, 3
• 2, 3
• 2, -3
• -2, -3

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

• Positive
• Negative
• Zero
• Not Sure

If the discriminant is negative, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• 2 Complex (imaginary) Solutions

 $13x^2+4x-7=10x+12x^2$  

•  $-2,\ 2$  

•  $-6,\ 0$  

•  $1,\ -7$  

•  $7,\ -1$  

What does i² = ?

• -1
• √-1
• 1
• -√1

Simplify:
(3 + 2i) + (4i + 6)

• 9 + 6i
• 7i + 8
• 9 + 6i²
• 9 - 6i

Simplify:
(4 + 7i) - (3 + 2i)

• 1 + 5i
• 7 + 9i
• 1 + 9i
• -1 + 5i

Simplify:
(2 - 3i)(5 + 4i)

• 22 - 7i
• 22 + 7i
• 22 - 7i²
• 22 + 7i²

Use the quadratic formula to find the solutions for
 $y=-x^2-5x+12$  

• No Real Solution

•  $\frac{5\pm\sqrt{73}}{-2}$  

•  $\frac{-5\pm\sqrt{73}}{-2}$  

•  $\frac{5\pm\sqrt{73}}{2}$