Chapter 1 - Equations and Inequalities Review

14 - 3x = 32

• x = 6

• x = -6

• No Solution

• Infinitely Many Solutions

Tags

CCSS.7.EE.B.4A

-6x + 4 + 11x = -16

• x = -4

• x = 4

• x = $-\frac{12}{5}$

• x = $\frac{12}{17}$

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

4(2x + 1) = 4(x - 6) - 2

• x = $-\frac{15}{2}$

• x = $-\frac{13}{2}$

• x = $-\frac{11}{2}$

• x = $-\frac{9}{2}$

Tags

CCSS.6.EE.B.5

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.B.6

2x - 5 < -21 - 2x

• x < $-\frac{13}{2}$

• x > $-\frac{13}{2}$

• x < - 4

• x > - 4

4(2 - x) ≥ 10 - 2(3x + 5)

• x ≥ $-\frac{6}{5}$

• x ≤ $-\frac{6}{5}$

• x ≥ - 4

• x ≤ - 4

Translate the following statement into an equation. Two times the sum of a number and 5 subtracted from 3 is 10.

• 3 - 2x + 5 = 10

• 2(x + 5) - 3 = 10

• 3 - 2(x + 5) = 10

• 2x + 5 - 3 = 10

4 - 2x ≤ 20

• [-8,∞)

• (-∞,-8]

• [-12,∞)

• (-∞,-12]

|v + 8| − 5 = 2 

• {-1,-15}
• {-1,-5}
• {-15,15}
• No Solution

Tags

CCSS.6.EE.B.5

CCSS.6.NS.C.7

Solve for x.
2|x + 1| - 5 = 5

• x = 4 & x = 6
• x = -4 & x = 6
• x = -6 & x = 4
• no solution

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What is the reason that absolute value is always written as a positive?

• Absolute value is talking about numbers so it must be positive.
• Absolute value does not always have to be positive.
• Absolute value is like a clock it has only positive numbers.
• Absolute value is talking about distance, distance is always measured by positive numbers.

Tags

CCSS.6.NS.C.7C