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Published byTeresa Pearson Modified over 9 years ago
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Refresher Thursday! Is (3, 4) a solution to the following equations? 2x + 3y = 184x - 2y = -4 2(3) + 3(4) = 18 6 + 12 = 18 18 = 18 yes, (3,4) is a solution 4(3) - 2(4) = -4 12 - 8 = -4 4 = -4 no, (3,4) is not a solution
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Word Problem Practice
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You sell small loom bracelets for $2 and and large loom bracelets for $4. You want to make $40. This situation can be modeled by the equation 2x+4y=40 where x is the number of small loom bracelets you sell and y is the number of large loom bracelets you sell 1.) Find the intercepts of the graph 2.) Graph the equation 3.) What does the x and y intercept mean in this situation? 4.) If you sell 10 small bracelets, how many large bracelets are sold to make $40? x-intercept: (20,0) y-intercept: (0,10) x-intercept: when 0 large bracelets are sold y-intercept: when 0 small bracelets are sold 2(10) + 4y = 40 20 + 4y = 40 4y = 20 y = 5 large bracelets small bracelets large bracelets
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