S2_2024227

Use the quadratic formula to solve 4x² - 5x + 1 = 0.

• x = -1/4 and x = -1

• x = 1/4 and x = 1

• x = 3/5 and x = -5/7

• x = 1 and x = 4

Solve the following equation using the quadratic formula: 5x² + 4x + 2 = 3.

Use the quadratic formula to solve 16x² + 8x - 15 = 0.

• x = 4 and x = 5

• x = -4/3 and x = 5/4

• x = 3/4 and x = -5/4

• x = 3 and x = 4

Michelle is thinking of two consecutive positive numbers. The product of the two numbers is 56. Which of the following is the smaller / lesser number?

• -8

• 6

• 8

• 7

Osa wrote the equation q² + 10q + 25 = 0. Use the quadratic formula to solve.

• x = 5

• x = -5

• x = 3/4 and x = -5/4

• x = 3 and x = 4

Fabian has a rectangular poster with a length 8 more inches than three times its width. The area of the poster is 315 square inches. What are the dimensions of the poster?

Solve the equation –3b² – b – 1 = –6b² for all real solutions.

• x = (1±√13)/6

• x = (-1±√13)/6

• x = (-1±√11)/2

• x = -13

Bre wrote the quadratic equation 3x² + 9x – 1 = x + 2. Which of the following are the solutions to the equation?

• x = –2 and x = 3

• x = –1/3 and x = 3

• x = –1 and x = 3

• x = 1/3 and x = –3

What is the discriminant of the quadratic equation 5x² – 8x + 9 = 0?

• 133

• 35

• -116

• 0

Your friend Scottie uses the discriminant of the equation (2x² - 5x - 2 = -10) and determines that the equation has two real solutions. Is Scottie correct? Explain.