Find the equation of the line
slope=(y2-y1)/(x2-x1)
slope=(6-2)/(7-(-3))=4/10=2/5
slope is 2/5
y=mx+b
y=2/5x+b find b
input a point
6=2/5(7)+b
6=14/5+b
minus 14/5 from both sides
3 and 1/5=b
16/5=b
xintercept is when y=0
0=2/5x+16/5
minus 16/5 from both sides
-16/5=2/5x
times both sides by 5/2 to clear fraction
-8=x
xintercept is -8 or (-8,0)
Answer:
Step-by-step explanation:
1.
hours 1/2 1 1.5 2 2.5 3 3.5 4
charges 3.25 6.50 9.75 13.0 16.25 19.50 22.75 26.00
2. The garage rate of parking is ;
$3.25 = 0.5 hr
?=1----------------------twice the charge for half an hour
=2*3.25=$6.50
$6.50 per hour
3.
$6.50=1 hour
$42.25=?------------------cross multiply
$(42.25*1)÷$ 6.50 = 6 hrs 30 min
Step-by-step explanation:
-7/2 = -28
-7 = -28 × 2
-7 = -56
