13 The graph of 3x + 4y = 12yy-intercept = 3x-intercept = 4x
14 Find the intercepts and graph y = 4x - 4You try this one.
15 Finding the x-intercept y = 4x - 40 = 4x - 40 + 4 = 4x4 = 4x1 = x
16 Finding the y-intercept y = 4x - 4y = 4(0) - 4y = -4
17 The graph of y = 4x - 4yx-intercept = 1xy-intercept = -4
18 What is the x-intercept of 3x – 4y = 24? (3, 0)(8, 0)(0, -4)(0, -6)1234567891011121314151617181920212223242526272829303132
19 What is the y-intercept of -x + 2y = 8? (-1, 0)(-8, 0)(0, 2)(0, 4)1234567891011121314151617181920212223242526272829303132
20 What is the y-intercept of x = 3? (3, 0)(-3, 0)(0, 3)None1234567891011121314151617181920212223242526272829303132
21 Word ProblemYou make and sell decorative bows. You sell small bows for $3 and large bows for $5. You want to earn $60 per week. This situation can be modeled by 3x + 5y = 60 where x is the number of small bows and y is the number of large bows.Find the intercepts of the graph.Graph the equationGive 3 possible solutions
24 Graph of the EquationLarge Bows SoldSmall Bows Sold
25 Three Possible Solutions 0 small, 12 largeLarge Bows Sold10 small, 6 large20 small, 0 largeSmall Bows Sold
26 Word Problem Your debt d (in dollars) is given by the function: You borrow $1800 from your parents.To repay your debt, you give them $150 per month.Your debt d (in dollars) is given by the function:d = 150t where t represents time in (months)Find the intercepts of the graph of the function and state what they represent.Graph the equation and identify its domain and range.
27 Finding the t-intercept d = 150tSet d = = 150t – 18001800 = 150t12 = tIn 12 months the debt = 0
28 Finding the d-intercept d = 150tSet t = d = 150(0)d =The debt is -$1800 when time is 0.
29 Graph the function d = 150t -1800 Put time (t) on the x axisPut debt (d) on the y axis
30 Graph of the function d = 150t -1800 time (t) in months(12, 0)debt (d) in dollars
31 Identify the domain and range time (t) in monthsRange:debt (d) in dollars
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