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Slope-intercept form — Homework
Write each line's equation in y = mx + b form. Show the substitution step when you are given a point instead of the y-intercept directly.
- 1.Slope = 3, passes through (2, 13). Write the equation.
- 2.Slope = -4, passes through (3, -5). Write the equation.
- 3.A line crosses the y-axis at (0, 9) and has slope -2. Write the equation.
- 4.Identify the slope and y-intercept of y = 5x - 8.
- 5.Two points on a line are (0, 4) and (2, 10). Find the slope and write the equation.
- 6.A candle is 8 inches tall and burns down 0.5 inches every hour. Let x = hours and y = height. Write the equation and explain what the slope and y-intercept mean.
🌲 Homeschool of the FutureEighth Grade · Math · week 5 homework