The table below represents a linear function f(x) and the equation represents a function g(x)

x f(x)
-1 -11
0 -1
1 9

g(x)
g(x)=5x+1

Part A: Write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x).

Part B: Which function has a greater y-intercept? Justify your answer.

Question

The table below represents a linear function f(x) and the equation represents a function g(x)

x     f(x)
-1   -11
0     -1
1     9

g(x)
g(x)=5x+1

Part A: Write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x).

Part B: Which function has a greater y-intercept? Justify your answer.

anonymous · Answer

I could answer this, first though, you're doing this on FLVS right?

radar · Answer

The x function is linear (problem says so) from the table develop the equation for the line.  You are given three points, use any 2 and do it.

anonymous · Answer

Yes @LearningIsAwesome

anonymous · Answer

Copying and pasting questions from your school is against the Terms of Use you agreed to when signing up. Please close the question.

anonymous · Answer

okay first of all @LearningIsAwesome  I just wanted help so that I can understand it better second almost half of the questions on this are from flvs so yeah

anonymous · Answer

That's okay, just don't copy and paste questions that's all :) bye

anonymous · Answer

so any way @radar do I just pick 2 from the graph and what exactly do I do with them

anonymous · Answer

@radar

radar · Answer

determine slope.  This can be done by the formula slope m - change in y (delta y) divided by change in x (delta x)$$\Delta y \over \Delta x$$ that is the formula for slope.  Now in that table f(x) would be the y value, and of course x is the x value.  Use the values provided by the problem.

radar · Answer

The change can be obtained by subtraction.  Taking the difference.

radar · Answer

Yes, just pick two points and be consistent with your subtraction, other words you are subtracting one point from the other (P1 - P2 where the x =x, and y = f(x).

radar · Answer

Excuse me if I don't respond quickly, I am having a pizza for lunch.

anonymous · Answer

oh so I choose two points so say I choose -11 - (-1) and 1-0 and then divide them?

radar · Answer

Good, you have got the right idea, I will use the same points and we can compare our answers.  -11 -(-1) = -10   and  -1 - 0 =-1   So -10/-1 = 10   a positive 10.  Did you get the same?

anonymous · Answer

yes but now what do I do with the positive 10

radar · Answer

Computer went on blink

anonymous · Answer

haha that's okay

radar · Answer

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