Absolute Value Equations

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

What is the absolute value of |-26|.

• 26
• -26
• 0
• -20

Tags

CCSS.6.NS.C.7C

What is the absolute value of |572|.

• 275
• -572
• 57
• 572

Tags

CCSS.6.NS.C.7C

| x | = 6

• x = 6

• x = -6

• x = -6 and 6

• x = 36

| x + 9 | = 5

• {-4,-14}

• {5,-5}

• {9,-9}

• {-4}

| x + 9 | = -5

• 5

• -9

• No solution

| x - 3 | = 7

• {7,-3}

• {-4,10}

• {7,-7}

• {-10,10}

Solve for x
l 5x l = 40

• x = 8 and x =-8
• x = 35 and x = -35
• Only x = 8
• No Solution

Tags

CCSS.6.NS.C.7C

Solve for x
l 2x−1 l = 9

• x = 5 and x =-4
• x = 5 and x = -5
• Only x = 5
• No Solution

Tags

CCSS.6.NS.C.7C