Quadratic Expressions and Equations – Quadratic Formula

State the value of the discriminant for the equation. Then, determine the number of real solutions of the equation.

x²  + 3x + 12 = 0

• –39; no real solutions

• –39; 1 real solution

• –39; 2 real solutions

• 39; 2 real solutions

Tags

CCSS.HSA.REI.B.4

• –3; no real solutions

• –3; 1 real solution

• 0; 1 real solution

• 3; 2 real solutions

Tags

CCSS.HSA.REI.B.4

• 1, 2 real solutions

• 0; 2 real solutions

• 0; 1 real solution

• 0; no real solutions

Tags

CCSS.HSA.REI.B.4

• 88; no real solutions

• 88; 1 real solution

• 88; 2 real solutions

• –88; no real solution

Tags

CCSS.HSA.REI.B.4

• –46; no real solutions

• 0; 1 real solution

• 46; 1 real solution

• 46; 2 real solutions

Tags

CCSS.HSA.REI.B.4

• -1 1/3, 1

• 1 1/3, -1

• -1 1/3, -1

• Ø

Tags

CCSS.HSA.REI.B.4

• -1.6, -4.4

• -1.6, 4.4

• 1.6, 4.4

• Ø

Tags

CCSS.HSA.REI.B.4

• -2.8, -0.1

• 2.8, -0.1

• -2.8, 0.1

• Ø

Tags

CCSS.HSA.REI.B.4

• 3, -1 1/4

• -3, 1 1/4

• 3, 1 1/4

• Ø

Tags

CCSS.HSA.REI.B.4

• -1 1/2, 4

• 1 1/2, -4

• -1 1/2, -4

• Ø

Tags

CCSS.HSA.REI.B.4