What is the x-intercept for the equation 5x-2y=-4

Algebra
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 What is the x-intercept for the equation 5x-2y=-4
 
(-4/5, 0)
(2, 0)
(4/5, 0)
(–2, 0)

10. There are 52 bla

 There are 52 blades of grass in 2in^2 of lawn. There are 580 blades of grass in 8in^2 of the same lawn. Which equation models the y blades of grass found in x in^2of lawn?
 
ay=88x+124
by=-88x-124
cy=-88x+124
dy=88x-124

 What is the value of the function f(x)=3(4-x)when x = 7?
 
a9
b–21
c–9
d33
May 11th, 2015

1-  the right answer is (a)  (-4/5,0)

2-  the right answer is (d) y=88x-124

3-  the right answer is (c) -9

May 11th, 2015

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