Understanding Absolute Value Equations

What is the absolute value of -3?

• -3

• 0

• 3

• 6

When solving absolute value equations, what are the two cases to consider?

• Expression is positive or zero

• Expression is zero or negative

• Expression is positive or zero, and expression is negative

• Expression is positive or negative

If the absolute value of x is 7, what are the possible values of x?

• 7 and 1

• 7 and -7

• 7 and 0

• 0 and -7

In the equation |2x - 1| = 7, what is one of the solutions for x?

• x = 6

• x = 5

• x = 4

• x = 3

What is the solution set for the equation |2x - 1| = 7?

• {-4, 3}

• {-3, 4}

• {-3, 5}

• {3, 5}

Why can't an absolute value equation have a negative result?

• Absolute value is undefined

• Absolute value is always positive

• Absolute value can be negative

• Absolute value is always zero

What is the solution set for the equation |p + 6| = -5?

• {5}

• {-5}

• {0}

• Null set

If the average temperature is 1°F and it can vary by 5°F, what is the equation to find the maximum and minimum temperatures?

• |T + 5| = 1

• |T - 5| = 1

• |T + 1| = 5

• |T - 1| = 5

What are the maximum and minimum temperatures if the average is 1°F and the variation is 5°F?

• 5°F and -5°F

• 6°F and -4°F

• 5°F and 0°F

• 6°F and 0°F

How do you find the midpoint between two points on a number line?

• Subtract the points and divide by 2

• Multiply the points and divide by 2

• Divide the points and add 2

• Add the points and divide by 2