Adding and Subtracting Equations

Which of these falls under Polynomial Expressions?

• Solving Quadratic Equations

• Adding and Subtracting Polynomials

• Radicals and Laws of Exponents

• Exponential Equations and Models

• Adding (13+(-6))

• Adding the opposite (13+6)

• Subtracting (13-6)

When adding 18+6, what number do you start at?

• 24

• 12

• 6

• 18

When adding positive numbers on a number line, you move to the ____________.

• Right

• Left

Monika drinks 1,466 milliliters of water a day. Victor drinks 2,895 mililiters more than Monika. How much water does Victor drink?

• 4361 milliliters

• 4351 milliliters

• 1429 milliliters

• 1329 milliliters

Maria has $100 and deposits d dollars in to her bank account. She now has $280.

• d-100=280

• 280-d=100

• 100+d=280

• 280+d=100

What is the inverse (opposite) operation for the expression x - 3?

• addition

• subtraction

• multiplication

• division

How can you solve for the variable in x - 3 = 7?

• add 3 to the left side

• subtract 3 from the left side

• add 7 to the left side

• subtract 7 from the left side

When you solve for the variable, what must you do to keep the equation balanced?

x - 3 = 7

• Add 3 to 7

• Subtract 3 from 7

• Add 7 to x

• Subtract 7 from x

Solve x + 5 = 15

Remember to practice writing out the steps even if it is easy.

x = _____