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r-ruslan [8.4K]
3 years ago
12

Find the coordinates of the point where y-4x=1 crosses the y axis

Mathematics
2 answers:
denpristay [2]3 years ago
7 0

Answer:

(a) (-1/4,0)

(b) k = (10-c)/2

Step-by-step explanation:

(a) A point passing through the y-axis is the same as finding the y-intercept.

[Move terms to right-hand side; y = mx + b form]

y = 4x + 1

[Find x, when y = 0]

0 = 4x + 1

-1 = 4x

-1/4 = x

At x = -1/4, y = 0 therefore the point: (-1/4,0) crosses the y-axis.

(b) To find the value of k in (k,10), we need to find x. Given y= 10 x=k c=constant

[Find x by plugging in known values]

Using y = 2x + c,

10 = 2k + c

10 - c = 2k

(10-c)/2 = k

hoa [83]3 years ago
7 0

Answer:

first one is -1,0

Step-by-step explanation:

i just did it

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Answers are below in bold

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3 years ago
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Read 2 more answers
Which is a zero of the function f(x)=3x−12?
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<h3>Answer:  x = 4</h3>

==================================================

Explanation:

Replace f(x) with 0 and solve for x.

f(x) = 3x-12

0 = 3x-12

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3x = 12

x = 12/3

x = 4 is a zero, aka root, of the function

---------------

Check:

f(x) = 3x-12

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The answer is confirmed.

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2 years ago
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Answer:

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Step-by-step explanation:

6N=48

Divide by 6 both sides

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3 years ago
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