SOLUTION: Find the value of "a" such that the graph of the equation has the given slope. y=2ax+4; m (slope) = -1

Algebra ->  Linear-equations -> SOLUTION: Find the value of "a" such that the graph of the equation has the given slope. y=2ax+4; m (slope) = -1      Log On


   

Question 265632: Find the value of "a" such that the graph of the equation has the given slope.
y=2ax+4; m (slope) = -1
Found 2 solutions by roseo, solver91311:
Answer by roseo(33) About Me  (Show Source):
You can put this solution on YOUR website!
Because your equation is already in slope intercept form we know that 2a is the slope therefore set 2a equal to -1 and solve.
2a=-1
divide both sides by 2
a= -1/2

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If your equation is in the form , then the slope is the coefficient on . If the slope must be -1, then must equal -1, so solve



for

John