Solving Quadratics by Square Roots Rational Irrational and Imaginary

Solve the following equation by completing the square:
n² - 2n - 3 = 0

• {3, -1}

• {4, -4}

• {5, -3}

• {8, -7}

Tags

CCSS.HSA-REI.B.4B

Solve the following equation by completing the square:
n² = 18n + 40

• {11, -11}

• {16, 2}

• {20, -2}

• {10, -4}

Tags

CCSS.HSA-REI.B.4B

What value of c would make this a perfect square trinomial?
x² - 12x + c

• 36

• 24

• 144

• -36

Tags

CCSS.HSA-REI.B.4B

What is the discriminant for 5x² + x − 2 = 0

• -39

• 42

• -41

• none of these

Tags

CCSS.HSA-REI.B.4B

Determine the value of the discriminant and name the nature of the roots for the following:

x² + 7x + 13

• 400, 2 real root

• 0, 1 real root

• -400, 2 imaginary roots

• -3, 2 imaginary roots

Tags

CCSS.HSA-REI.B.4B

If the discriminant is equal to 10, how many solutions are there?

• 2 Real, Irrational Solutions

• 1 Real Solution

• 2 Real Rational Solutions

• No Real Solutions

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12=0?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots: m² + 10m + 25 = 49

• m = -2

• m = -12 and 2

• m = 4

• m = -12 m = 12

Tags

CCSS.HSA-REI.B.4B

If the graph of a quadratic does not intercept the x axis at any point, then it has:

• Real Solution

• Real Solutions

• Half a Solution

• No Real Solution

Tags

CCSS.HSF-IF.C.7A

Find the zeros of this quadratic.

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B