Question

y=-2x-3 Graph the line

Answer 1

Answer:

To graph a line we require 2 points.

The equation of a line in

slope-intercept form

is.

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

∣

∣

∣

2

2

y

=

m

x

+

b

2

2

∣

∣

∣

−−−−−−−−−−−−−−−

where m represents the slope and b, the y-intercept.

y

=

−

2

x

+

3

is in this form

⇒

y-intercept

=

b

=

3

→

(

0

,

3

)

is point on line

To find another point on the line, choose any value for x, substitute into the equation and evaluate for y

x

=

3

→

y

=

(

−

2

×

3

)

+

3

=

−

6

+

3

=

−

3

⇒

(

3

,

−

3

)

is a point on the line

Plot the 2 points, draw a straight line through them to obtain the graph.

graph{-2x+3 [-10, 10, -5, 5]}

Hope it helps........

Answer 2

Step-by-step explanation:

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