apply graphing to linear relationships. The area of a sidewalk whose width is fixed at 3 feet can be given by the equation A = 3l, where A represents the area in square feet and l represents the length in feet. Label the horizontal axis l and the vertical axis A, and graph the equation A = 3l for nonnegative values of l.
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
apply graphing to linear relationships. The area of a sidewalk whose width is fixed at 3 feet can be given by the equation A = 3l, where A represents the area in square feet and l represents the length in feet. Label the horizontal axis l and the vertical axis A, and graph the equation A = 3l for nonnegative values of l.
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