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Pre Algebra Ch 3
Pre Algebra Chapter 3
Question | Answer |
---|---|
constant of variation | The number k in an equation of the form y = kx. |
direct variation | An equation of the form y = kx, where k 0. |
linear relationship | A relationship that has a straight line graph. |
point-slope form | An equation of the form y - y1 = m(x - x1) |
slope | rise over run represented as a change in y values over a change in x values |
slope-intercept form | An equation written in the form y = mx + b |
standard form | An equation written in the form Ax + By = C |
substitution | An algebraic model that can be used to find the exact solution of a system of equations. |
system of equations | A set of two or more equations with the same variables. |
x-intercept | The x-coordinate at which a graph intersects the x-axis. Example: (8, 0) |
y-intercept | The y-coordinate at which a graph intersects the y-axis. Example: (0, 6) |
rate of change | The change in a quantity over time. |