Exam 1: Real Numbers

Solve. Simplify the answer. -A Boeing 767 flew 920 mi on a nonstop flight. On the return flight, it landed after having flown mi. How far was the plane from its original point of departure?

Name the property illustrated. -(7 ·4) · p = 7 · (4 · p)

Solve the problem. -Rennie is saving of her monthly income of $6080 for retirement. How much money is she setting aside each month for retirement?

Indicate whether the statement is true or false. -When zero is added to the set of positive integers, the set of counting numbers is formed.

Name the property illustrated. -(5 + 8) + 5 = (8 + 5) + 5

Solve. -A weather forecaster predicts that the temperature will drop 3 degrees each hour for the next 5 hours. If the temperature is -1 degrees before the temperature starts falling, what is the temperature after the drop?

The name of a property is given followed by part of an equation. Complete the equation to the right of the equal sign to illustrate the given property. -8 + x = commutative property of addition

Evaluate the expression for the given value of the variable or variables. -

Solve the problem. -The temperature at 5:00 was -7°C. Four hours later, it was -8°C. What was the change in temperature?

The name of a property is given followed by part of an equation. Complete the equation to the right of the equal sign to illustrate the given property. -0 + 4x = identity property of addition

Evaluate. -Subtract 15 from 15

Evaluate. -11 - 11

Add or subtract. Simplify the answer. -

Write the opposite of the number. -

Insert either < or > to make a true statement. -

Add. -9 + (-2)

Find the quotient. Simplify the answer. -

Evaluate using a number line. -

Solve the problem. -Stock in a company is selling for per share. If someone purchases $1908 worth of stock in this company, how many shares did they get?

Add. --255 + (-515)