slope intercept form
y -y1 = m(x-x1)
y-3 =1/4 (x-4)
distribute
y-3 =1/4 x-1
stand form of a line is Ax +by =c
so subtract 1/4 x from each side
y -3 -1/4 x =-1
add 3 to each side
y-1/4 x =2
-1/4 x +y =2
I would multiply by -4 on both sides to make the 1st term positive and get rid of the fraction
x -4y = -8
Find the slope of the line that crosses through the points (-3, -4) and (2, -3).
slope = (y2-y1)/(x2-x1)
m = (-3--4)/(2--3)
m = (-3+4)/(2+3)
m =(1/5)
m=1/5
Answer:
3 days
Step-by-step explanation:
2x - 4y = 10
7x - 9y = 12
_________
9x - 5y = 2
Answer:
6
Step-by-step explanation:
You can do this algebraically:
Step 1: Write the unknown number as x
<em>The directions say subtract four from the number, and is equal to 2, so</em>
x - 4 = 2
Step 2: Add four to both sides
x = 6
Answer:
890
Step-by-step explanation:
Well, first we should put 1.1 kg into grams (1 kg = 1000g)
1.1kg= 1100g
this is how much was added by the marbles
630/ # of marbles gives the mass of each marble
each marble has a mass of 105 g
1100- 2m(marble)=
1100-2*105
1100-210=
890