Unit 5 Review (Open Up Resources) - Grade 7

Front

What is the value of d in the equation 15 + d = -5.7?

Back

d = -20.7

Front

How do you solve the equation -35 = -30 - b?

Back

b = 5

Front

If Gregory's account is -$3.65 and the bank deducts $4.50 per day, what will his account balance be after 2 weeks?

Back

-$66.65

Front

Solve for z in the equation 4/5z = -4.

Back

z = -5

Front

If x = -8/2 and y = -8/5, which expression has a positive value: x + y, x - y, y - x, or y + x?

Back

y - x has a positive value.

Front

What does it mean for a number to be negative?

Back

A negative number is less than zero and represents a value that is below a reference point.

Front

What is the definition of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What is the process of solving an equation?

Back

The process involves isolating the variable on one side of the equation to find its value.

Front

What is the significance of the negative sign in front of a number?

Back

The negative sign indicates that the value is below zero or represents a loss.

Front

How do you interpret a negative balance in a bank account?

Back

A negative balance indicates that the account is overdrawn and the account holder owes money to the bank.