3 apples at the store for $3.90. This week he purchased 5 apples for $6.50. WHAT IS THE THE EQUATION IN SLOPE INTERCEPT FORM FOR THE APPLES PURCHASED?

Respuesta :

to find the slope, use y2-y1/x2-x1
In this case, it is -7-3/4-(-1)
-10/5 
-2/1
That is the same as -2, so the answer is -2