Unit 2, Part A Flashcard 10.05

Front

What is the equation of a line that passes through the origin and has a slope of 8?

Back

y = 8x

Front

Why is absolute value always expressed as a positive number?

Back

Absolute value is talking about distance; distance is always measured by positive numbers.

Front

What is the result of the expression -7 + 5?

Back

-2

Front

What is the result of the expression 4 + (-3)?

Back

1

Front

If a submarine is 52 ft below sea level and ascends 38 ft, what is its new depth?

Back

14 ft below sea level.

Front

What does the absolute value of a number represent?

Back

The distance of that number from zero on the number line.

Front

How do you represent a negative number on a number line?

Back

To the left of zero.

Front

What is the slope of a line that rises 8 units for every 1 unit it runs?

Back

The slope is 8.

Front

What is the sum of -7 and 2?

Back

-5.

Front

What is the result of adding a positive number to a negative number?

Back

It depends on the absolute values of the numbers; the result can be positive, negative, or zero.