Midterm Makeup

Front

What is the cost of 2 oranges if Cory bought 4 apples and 6 oranges for $5.10 and Dalia bought 2 apples and 5 oranges for $3.65?

Back

$0.70

Front

What is the equation of a line with a slope of 4 and a y-intercept of 2?

Back

y = 4x + 2

Front

What pattern of numbers does the expression 7n describe if n represents the position of the number in the sequence?

Back

7, 14, 21, 28, ...

Front

Convert the equation 5x - 3y = -9 into slope-intercept form.

Back

y = (5/3)x + 3

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

Is the relation {(1,2), (2,3), (1,4)} a function?

Back

No

Front

What is the slope of the line represented by the equation y = 2x + 5?

Back

2

Front

What does the y-intercept represent in the equation of a line?

Back

The point where the line crosses the y-axis.

Front

If a line has a slope of -3, what does this indicate about the direction of the line?

Back

The line descends from left to right.

Front

What is the formula for finding the slope between two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1)