Math 1 NC Check-In Review (A.REI.3; G-GPE.5; F-IF.2,4&6; S-ID.7)

Front

What is the slope of a linear function with a y-intercept of 5 that passes through the point (2, 5)?

Back

0

Front

In the equation D = 45.3C + 110.2, what does the intercept represent?

Back

In a week when he makes no sales calls, he will make about $110.20 in sales.

Front

What indicates that two lines are perpendicular?

Back

The slopes of the lines are negative reciprocals of each other.

Front

How do you calculate the average rate of growth of a plant?

Back

Average rate of growth = (Final measurement - Initial measurement) / (Number of days)

Front

What is the solution to the equation -4(x + 8) - (3x + 6) = 6(x - 1) - (6x - 17)?

Back

-7

Front

Define a linear function.

Back

A function that graphs to a straight line, represented by the equation y = mx + b.

Front

What does the slope of a line represent in a real-world context?

Back

The rate of change of one variable with respect to another.

Front

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

Back

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

Front

What does a y-intercept of a linear function indicate?

Back

The value of y when x = 0.

Front

How do you determine if two lines are parallel?

Back

Two lines are parallel if they have the same slope.