Mixed Topics

Solve: Graph on desmos.com and find the x-intercepts

x² + 2x - 24 = 0

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Solve: Graph on desmos.com and find the x-intercepts x² + 9x + 20 = 0

• x = -2, x = -10

• x = -3, x = -4

• x = -4, x = -5

• x = -4, x = -6

Solve: Graph on desmos.com and find the x-intercepts

 2x² - 3x - 2 = 0

• x = 1, x = -1

• x = -1/2, x = 2

• x = 1/2, x = 2

• x = 1/2, x = 1

Solve: Graph on desmos.com and find the x-intercepts

6x² + 17x + 12 = 0

• x = -4/3, x = -3/2

• x = 9, x = 8

• x = 4, x = 3

• x = -4, x = -3

Solve: Graph on desmos.com and find the x-intercepts

  4x² + 11x - 3 = 0

• x = -3/4 and x = -1

• x = 4 and x = 3

• x = 1/4 and x = -3

• x = -1/4 and x = 3

Graph on desmos.com and find the x-intercepts

2x² - 5x - 12 = 0

• x = -4 and x = -6

• x = 4 and x = -3/2

• x = 4 and x = 6

• x = -4 and x = 3/2

-3x² + 45 ≥ 6x

• -5 < x < 3
• -5 ≤ x ≤ 3
• x < -5 or x > 3
• x ≤ -5 or x ≥ 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Find the True solution set by plugging in a number in the set

6x² - 54 ≤ 0

• -3 ≤ x ≤ 3

• x ≤ -3 or x ≥ 3

• -3 < x < 3

• x < -3 or x > 3

Find the True solution set by plugging in a number in the set

4x² - 8x < 77

• -3.5 < x < 5.5

• -2.5 < x < 7.5

• -4 < x < 8

• -6 < x < 8

The equations of two lines are:  2x-y=4 and y=-2x+8. Graph and find the x value of the intersecting point.

• x=8

• x=3

• x=11

• x=5