SDI Review

Which of the following best defines “credit”?

• The opportunity to borrow money or to receive goods or services in return for a promise to pay later.

• The price paid for using someone else’s money, expressed as a percentage of the amount borrowed.

• Money paid regularly, at a particular rate, for the use of borrowed money

• A record of past borrowing and repayments.

A higher interest rate impacts the cost of purchases by __________ the cost.

•  Increasing

• Decreasing

What is a coefficient in math?

• a number or symbol that is multiplied by a variable or term within an expression or equation

• The result of adding two or more numbers together

• The solution to an equation.

Solve for y: 4y − 8 = 20.

• 20

• 4

• 8

• 7

If x=3 and y=2, find the value of 3x−2y +7x

• 26

• 20

• 18

• 5

Which of these is mostly likely a WANT (not a need) for a family living in Omaha, Nebraska?

• a car

• a TV

• a house

What is a budget?

• The amount of money you can charge on a credit card

• How much money you make

• A spending plan showing sources and uses of income

What is interest?

• The money paid at a certain rate in order to borrow from a bank or lender

• The money left over after you pay your bills

• The money you withdraw that exceeds the amount in your checking account

Which of the following expressions is a polynomial?

• 7 - 4y

• 5x + x² − 4x + 7

• 8x + b

• 2 - 3x + 1

Simplify (5x²+ 8x - 3) + (2x² - 7x)

• 7x²+x−3

• 7x²

• 10x² + 10x

• 15x² -10x -3