# SOLUTION: Are the following lines parallel, peGiven f(x) = x2 – x + 7, find f(0).rpendicular, or neither? L1 with equation x – 6y = 30 L2 with equation 6x + y = 6 A) Parallel B) Perpe

Algebra ->  Graphs -> SOLUTION: Are the following lines parallel, peGiven f(x) = x2 – x + 7, find f(0).rpendicular, or neither? L1 with equation x – 6y = 30 L2 with equation 6x + y = 6 A) Parallel B) Perpe      Log On

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 Question 56003: Are the following lines parallel, peGiven f(x) = x2 – x + 7, find f(0).rpendicular, or neither? L1 with equation x – 6y = 30 L2 with equation 6x + y = 6 A) Parallel B) Perpendicular C) Neither Can some one PLEASE HELP!!!! Given g(x) = 4x – 3, find g(3a). Given f(x) = 4x + 4, find f(0).1. Solve the system by addition. 5x – 3y = 13 4x – 3y = 11 Can someone out there feel sorry for me and help me Please while I still have hair in my head!!!! Answer by funmath(2926)   (Show Source): You can put this solution on YOUR website!Hi nearlyhairless, lets see what we can do to: Are the following lines parallel, perpendicular, or neither? L1 with equation x – 6y = 30 L2 with equation 6x + y = 6 A) Parallel B) Perpendicular C) Neither Put the equations in slope intercept form: , m=slope and (0,b)= y-intercept. Parallel lines have equal slopes and perpendicular lines have slopes that are negative reciprocals (opposite signs and upside down). L1) slope=m=+1/6 L2) m=-6/1 (B) Perpendicular : Given find f(0). Let x=0 : Given g(x) = 4x – 3, find g(3a). Let x=3a g(3a)=4(3a)-3 g(3a)=12a-3 : Given f(x) = 4x + 4, find f(0) let x=0 f(0)=4(0)+4 f(0)=0+4 : Solve the system by addition. L1) 5x – 3y = 13 L2) 4x – 3y = 11 Multiply L2 by -1 and add L1 and L2 -1(4x-3y)=-1(11) -4x+3y=-11 ----------- 5x-3y=13 -4x+3y=-11 ____________ x+0y=2 x=2 Substitute x=2 into L1 and solve for x. 5(2)-3y=13 10-3y=13 -10+10-3y=-10+13 -3y=3 -3y/-3=3/-3 y=-1 The solution is (x,y)=(2,-1) Happy Calculating!!! funmath and a littleweirdmath