Understanding Algebra: A Quiz Based on Video Tutorial

What is the first step in solving the equation 2x + 3 = 11?

• Multiply both sides by 2

• Add 3 to both sides

• Divide both sides by 2

• Subtract 3 from both sides

How do you solve the equation 3x^2 + 8 = 20?

• Subtract 8 from both sides, then divide by 3

• Divide both sides by 3, then subtract 8

• Take the square root of both sides, then subtract 8

• Subtract 8 from both sides, divide by 3, and take the square root

Which of the following is not a function?

• A relation where each input has exactly one output

• A relation where an input has more than one output

• A relation where multiple inputs have the same output

• A relation where every input has an output

What changes the direction of an inequality sign?

• Adding a number to both sides

• Subtracting a number from both sides

• Multiplying or dividing both sides by a positive number

• Multiplying or dividing both sides by a negative number

In the equation -3x + 1 > 7, what is the solution for x?

• x > 2

• x < -2

• x > -2

• x < 2