Which of the following equations describes the data in the table ? {i-sss*n 8-?} 3. What is the slope of the line that passes through points at (-3,4) and (5, *6)? {Less*n 8-4.) @-s @ x+Y:-zz {E)x-y:11 @)2x-y-5 @2x+Y:-29 What is the y-intercept of the graph of 7y 8x: 14? {Lesson 8-3) - (T) -8 7 @-3 <9 -4 E The annual cost to rent videos at MoviesTo-Go can be represented by the equation y : 2.50x + 15. \Alhich of the following represents the annual cost if no movies are rented? iless*n $-3) @ @ @ @ the the the the x-intercept of the equation y-intercept of the equation slope of the equation value of the equation if x andy are zeTo Pablo has $125 to spend on gifts for his family and friends. He decides to give his friends $5 gift certificates to their favorite store. The equation y : 725 - 5l represents the amount of money he has left over to spend on his family if he buys x gift certificates. What does the r-intercept of this equation represent? ilesson 8-3) @ The amount of money he has before buying any gift certificates. @ The cost of each gift certificate. @ The number of gift certificates he can buy with no money left over. @ The amount of money he spends on each family member. If y varies directly with x andy :3 when x : 7, what is y when x : 15? {Lesscn S-5} 6. Identify the graph that has a negative slope. iLesson B-4) (F) Rl "7 If the slope of a line changes from2to |, then the graph of the line will be affected in what way? iless*n *-4i @ lgss steep than the original line @ steeper than the original line co M+ aE @45 @, t+units G) 69 "7 ,+units lower than the original line higher than the original line North Carolina Pre-Algebra NC15

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