Select the Graph of the Function that Passes Through (1/2, 5)

Choose the graph of the function that passes through the point (12,5) (\frac{1}{2},5)

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:05 Let's find out which line the point is on.
00:09 Remember, the left number is X, and the right is Y.
00:13 We'll substitute the point into each line equation to check.
00:19 This one doesn't work, so the point isn't on this line.
00:23 Let's try the next line equation using the same method.
00:26 Substitute the point and see if it fits.
00:30 No luck here; the point isn't on this line either.
00:34 Let's check another line using the same substitution.
00:42 Still no match; the point isn't here.
00:46 Try one more line and substitute the point.
00:51 It fits! The point is on this line.
00:55 And that's how we find the right line for the point!

Step-by-step written solution

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1

Understand the problem

Choose the graph of the function that passes through the point (12,5) (\frac{1}{2},5)

2

Step-by-step solution

To solve this problem, we'll proceed by comparing each answer choice through substitution:

  • Choice 1: y=4x y = -4x
    Substitute x=12 x = \frac{1}{2} : y=4×12=2 y=-4\times\frac{1}{2}=-2
    Does this equal 5? No, so this choice is incorrect.

  • Choice 2: y=4x y = 4x
    Substitute x=12 x = \frac{1}{2} : y=4×12=2 y=4\times\frac{1}{2}=2
    Does this equal 5? No, so this choice is also incorrect.

  • Choice 3: y=4x+3 y = -4x + 3
    Substitute x=12 x = \frac{1}{2} : y=4×12+3=2+3=1 y=-4\times\frac{1}{2}+3=-2+3=1
    Does this equal 5? No, this choice is incorrect as well.

  • Choice 4: 4x=y3 4x = y - 3
    Substitute x=12 x = \frac{1}{2} and y=5 y = 5 : 4×12=53  4 \times \frac{1}{2} = 5 - 3 \ which simplifies to2=2  2 = 2 \
    This equation holds true with the given point.

Therefore, the solution to the problem is 4x=y3 4x = y - 3 .

3

Final Answer

4x=y3 4x=y-3

Practice Quiz

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Which statement best describes the graph below?

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