Math TEKS 7.7A

Front

What is the equation to calculate the total cost (y) of x pounds of cheddar cheese if it costs $4.25 per pound?

Back

y = 4.25x

Front

How do you represent the total cost (C) of a music club membership that costs $15 to start and $8 per CD?

Back

C = 8x + 15

Front

In the equation y = mx + b, what does 'm' represent?

Back

Slope

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b

Front

Which equation represents a negative slope with a y-intercept of 27?

Back

y = -6x + 27

Front

What does the term 'slope' refer to in a linear equation?

Back

The rate of change of y with respect to x.

Front

What is the y-intercept in the equation y = mx + b?

Back

The value of y when x = 0.

Front

If the slope of a line is 4, what does this indicate about the line?

Back

For every 1 unit increase in x, y increases by 4 units.

Front

How can you determine the slope from two points (x1, y1) and (x2, y2)?

Back

m = (y₂ - y₁) / (x₂ - x₁)