Math TEKS 7.7A CCISD

Front

What is the equation for the total cost C of a music club membership that costs $15 to start and $8 per CD?

Back

C = 8x + 15, where x is the number of CDs.

Front

What is the equation that represents the relationship between y and x if y is three times x?

Back

y = 3x.

Front

If a fitness club starts with 80 members and gains 15 members each month, what is the equation for total membership y after x months?

Back

y = 15x + 80.

Front

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

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

If cheddar cheese costs $4.25 per pound, what is the equation for the total cost y of x pounds of cheese?

Back

y = 4.25x.

Front

What does the variable 'm' represent in the equation y = mx + b?

Back

'm' represents the slope of the line.

Front

What does the variable 'b' represent in the equation y = mx + b?

Back

'b' represents the y-intercept of the line.

Front

How do you calculate the slope between two points (x1, y1) and (x2, y2)?

Back

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

Front

What is the meaning of the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis.

Front

What is the difference between a linear equation and a non-linear equation?

Back

A linear equation graphs as a straight line, while a non-linear equation graphs as a curve.