Find the slope of a line that passes through (–2, –3), and (1, 1). (1 point)
onethird
1
2
fourthirds

need serious help

Question

Find the slope of a line that passes through (–2, –3), and (1, 1).  (1 point)
onethird
1
2
fourthirds

need serious help

misty1212 · Answer

HI!!

misty1212 · Answer

serious help?

anonymous · Answer

im usually great math but this i cant seem to get

misty1212 · Answer

from -2 to 1 on the x axis is right 3 units 
from -3 to 1 on the y axis is up 4
right 3, up 4, slope is $\frac{4}{3}$

misty1212 · Answer

or you can do it the math teacher way 
$$\frac{1-(-3)}{1-(-2)}=\frac{1+3}{1+2}=\frac{4}{3}$$

anonymous · Answer

do you mind helping me with a few more

misty1212 · Answer

math teachers $\heartsuit$ the point slope formula

misty1212 · Answer

sure

anonymous · Answer

For the equation –4y = 8x, what is the constant of variation?  (1 point)
–4
–2
1
2

misty1212 · Answer

i got the question marks

misty1212 · Answer

ok $$-4y=8x\
y=-2x$$

anonymous · Answer

sorry my stupid laptops doing it

misty1212 · Answer

constant of variation is $-2$

anonymous · Answer

thanks

anonymous · Answer

Suppose y varies directly with x, and y = 24 when x = 8. What is the value of y when x = 10?  (1 point)
10
30
80
240