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23.04.2020 •
Mathematics
22. Students may verify their claims by
comparing slopes and y-intercepts.
a. 2x + 3y = 9 is line l because its intercepts are (4.5, 0) and (0, 3), which satisfy the equation.
b. 3x - 4y = 12 is line n because its intercepts are (4, 0) and (0, - 3), which satisfy the equation.
c. x - 3y = 6 is line m because its intercepts are (6, 0) and (0, - 2), which satisfy the equation.
d. 3x + 2y = 6 is line k because its intercepts are (2, 0) and (0, 3), which satisfy the equation.
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