Graphing & wiriting linear functions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Graph the linear equation f(x)=9x | Pick any 3 numbers for x, then plug those numbers into the equation f(x)=9x and solve for f(x)
f(x)=9(1) f(x)=9
f(x)=9(0) f(x)=0
f(x)=9(-1)f(x)=-9
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Graph the linear equation f(x)=-4x+2 | Pick any 3 numbers for x, then plug those numbers into the equation f(x)=-4x+2 and solve for f(x)
f(x)=-4(1)+2 f(x)=-2
f(x)=-4(0)+2 f(x)=2
f(x)=-4(-1)+2 f(x)=6
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f(x) is also known as | f(x) is also know as Y
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What is the form of Function Notation? | f(x)=mx+b
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Using Function Notation write the line with the given Slope and y-intercept Slope=-5 y-intercept=(0,9) | y=-5x+9
Remember Function Notation is y=mx+b
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What is the point slop equation? | y-y1=m(x-x1)
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Write the equation of the line using Function Notation. Slope=-7;through (1,7) | y=-7x+14
y-7=-7(x-1)
y-7=-7x+7
+7 +7
y=-7x+14
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Find an equation of the line through (3,5) and parallel to y=3x-2 | y=3x+4
remember y=mx+b and y-y1=m(x-x1)
m=3
y-5+3(x-3)
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Find an equation of the line through (2,-4)and perpendicular to 9y=x-18 | y=-9x+14
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Created by:
cali1989
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