Semester Review

Front

What is the equation for a line where y is 3 more than the quotient of x and 2?

Back

y = (x ÷ 2) + 3

Front

What is the algebraic equation for the relationship where y is 1 less than the value of x?

Back

y = x - 1

Front

If a teacher buys x sets of markers at $3 each and uses a $2 coupon, what is the total cost y?

Back

y = 3x - 2

Front

What is the solution to the equation 2.50t + 350 = 3t + 225?

Back

t = 125

Front

What does the term 'linear equation' mean?

Back

An equation that makes a straight line when graphed.

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

How do you find the y-intercept of a linear equation?

Back

Set x = 0 and solve for y.

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

What is the difference between independent and dependent variables?

Back

Independent variables are manipulated, while dependent variables are measured.

Front

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

Back

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