Solving and Graphing Inequalities with Addition and Subtraction

What is an equivalent inequality?

• An inequality that cannot be solved.

• An inequality that has the same solutions.

• An inequality that has different solutions.

• An inequality that only uses addition.

When solving the inequality x - 6 ≥ -10, what is the first step?

• Add 6 to both sides.

• Multiply both sides by 6.

• Subtract 6 from both sides.

• Divide both sides by 6.

How do you represent x ≥ -4 on a number line?

• Closed circle at -4, arrow pointing left.

• Open circle at -4, arrow pointing right.

• Closed circle at -4, arrow pointing right.

• Open circle at -4, arrow pointing left.

What is the subtraction property of inequality?

• Subtracting different values from both sides.

• Subtracting the same value from both sides.

• Multiplying both sides by the same value.

• Adding the same value to both sides.

To solve y + 8 ≤ 5, what operation should be performed?

• Subtract 8 from both sides.

• Add 8 to both sides.

• Divide both sides by 8.

• Multiply both sides by 8.

How do you graph y ≤ -3 on a number line?

• Open circle at -3, arrow pointing right.

• Closed circle at -3, arrow pointing left.

• Open circle at -3, arrow pointing left.

• Closed circle at -3, arrow pointing right.

What is the inequality form of -9.4 < m rewritten with m on the left?

• m < -9.4

• m > -9.4

• m ≥ -9.4

• m ≤ -9.4

What is the maximum additional wattage that can be added to a circuit with a 1100-watt microwave without overloading a 1800-watt circuit?

• 800 watts

• 600 watts

• 700 watts

• 900 watts

Which of the following appliances can be added to the circuit with the microwave without overloading it?

• All of the above

• Toaster (800 watts)

• Hot plate (1200 watts)

• Blender (300 watts)

If you add a clock radio (50 watts) and a blender (300 watts) to the circuit with the microwave, what is the total wattage used?

• 1350 watts

• 1450 watts

• 1550 watts

• 1650 watts