12/06 Flashcard

Front

What are the coordinates of the point (-3, -2) when reflected across the x-axis?

Back

(-3, 2)

Front

What value represents Colby’s debt of $385 on his credit card statement?

Back

-$385; Colby owes the credit card company

Front

How do you calculate the area of a triangle?

Back

Area = 1/2 * base * height

Front

What is the area of a triangle with a base of 2.4 inches and a height of 5 inches?

Back

6 square inches

Front

What is the value of the expression 24 - x + 15 when x = 10?

Back

29

Front

What does the expression 3x - 7 represent?

Back

The difference of three times x and seven

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

If a point (a, b) is reflected across the x-axis, what are the new coordinates?

Back

(a, -b)

Front

What does a negative value in a credit card statement indicate?

Back

It indicates debt owed to the credit card company.

Front

How do you simplify the expression 24 - x + 15?

Back

Combine like terms to get 39 - x.