Inequality and Equation Review

-4x + 14 ≤ 54

• x ≥ - 10

• x ≤ -10

• x ≥ 10

• x ≤ 10

If I want to graph, x < 3. Which direction would it go on the number line?

HINT: LOOK AT THE ABOVE PICTURE. WHICH ARROW LOOKS THE SAME?

• LEFT

• RIGHT

15 > -5 + z

• z < 20

• z > 20

• z > 10

• 10 > z

x/4-9≤3

• x≤24

• x≥24

• x≤48

• x≥48

4x-7≥21

• x≥7

• x≥-8

• x≤8

• x≤7

-4x-7≥21

• x≥7

• x≥-7

• x≤8

• x≤-7

Solve the equation for x:
8x + 9 - 7 = 18

• x = 1

• x = 2

• x = 3

• x = 4

3(3x - 6) = 18

• x = 4

• x = -4

• x=8

• x= -12

5(x-3)=40

• 11

• 43/5

• 38

• 37/5

Solve for x.
2x-6=14

• x=10

• x=4

• x= -10

• x=2