Can someone help me with my precal homework? I'm so confused.?

Posted on 2015-09-21 06:36:00 in Math by LIAND

1. For what value of K will the graph of 2x+ky=6 be perpendicular to the graph 6x-4y=12?

2.Which of the following describes the graph of 2x-3y=9 and 6x-9=18?
a.parallel
b. coinciding
c. none
d. perpendicular

3. If f(x)=x^2+1 and g(x)=2x, find [f o g](x)

4. find the zero of f(x)=3/4x-12

5. if f(x)=x-3 and g(x)=2x-4, find (f+g)(x)

6. Find the zero of f(x)=5x-2

7. Write the standard form of the equation of the line parallel to the graph x-2y-6=0

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