To find the x and y-intercept, we can write an equation in slope intercept form.
first, we need to find the slope
the formula for slope is
m= (y₂-y₁)/(x₂-x₁)
now just put any two points into the equation
m=(10-5)/(-9-(-15)
m=5/6
so now we can write the slope-intercept equation
y=5/6x + b
in a slope-intercept equation, b is equal to the y-intercept, so we can take one of our 3 pairs of points and put them into the equation to solve for b
15= 5/6(-3) +b
15=-2.5 + b
17.5 = b
so now we know the y-intercept is (0,17.5)
now we can write the equation as
y= 5/6x + 17.5
since the x intercept is when y=0, we can set y to 0 and then solve for x
0= 5/6x +17.5
-17.5 = 5/6x
-21 = x
by setting y to zero, we figured out that the x-intercept is (-21,0)
hope this helped!
Answer:
$25.10
Step-by-step explanation:
lunch=$7.52
dinner=$9.74
breakfast=$5.16
money left=$2.68
make total money he began with ‘x’
to find the total money he began with it will be
x-lunch+dinner+breakfast=money left
x-$7.52+$9.74+$5.16=$2.68
x-$22.42=$2.68
x=$2.68+$22.42
x=$25.10
<em>1/6 = 0.16 acres in 8 minutes. </em>
<em>--</em>
<em>0.16 ÷ 8 = 0.02 acres mowed in 1 minute.</em>
<em>--</em>
<em>(60 minutes in an hour)</em>
<em>0.02 x 60 = 1.2 acres mowed in an hour.</em>
<em>-- </em>
<em>1.2 is equal to 1 1/5, and jami needs to mow 1 1/2 acres.</em><em> so no, jami cannot mow 1 1/2 acres in an hour.</em>
Answer:
is the slope
Step-by-step explanation:
Slope formula:
y₂ - y₁ / x₂ - x₁
-20 - 0 / -6 - 7
-20 / -13
20/13
Answer:
Step-by-step explanation:
x intercept it means y=0 (3,0)
y intercept means x=0 (0,4)
find the slope : y2-y1/x2-x1
y2-y1= 4-0=4
x2-x1= 0-3=-3
m=4/-3
y=mx+b b=4 since x=0
y=-4/3 x+4