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Ulleksa [173]
3 years ago
11

Write down the gradient and y-intercept of each line

Mathematics
2 answers:
Vedmedyk [2.9K]3 years ago
7 0

Answer:

Equation of a line is y = mx + c

where m is the gradient

c is the y intercept

<h2>a.)</h2>

y = 4x - 1

Comparing with y = mx + c

The gradient = 4

y intercept = - 1

<h2>b.)</h2>

y =  \frac{1}{3} x + 3

Comparing with y = mx + c

The gradient is 1/3

The y intercept is 3

Hope this helps you

blondinia [14]3 years ago
7 0

Answer:

4 and  -1

1/3 and 3

Step-by-step explanation:

for y=4x-1

y intercepts where  x=0 so f(0)=4*0-1=-1

y intecepts = -  1

the gradient is y2-y1/x2-x1 where y2=f(x2)=4x2-1 and y1=f(x1)=4x1-1

the gradient is 4x2-1-4x1+1/x2-x1=4 ( the coeficient of x)

for y=1/3x+3

the gradient is 1/3

y intercepts is f(0)=3

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