A student must find the slope of a line that passes through the points (2, 2) and (-1,3). Which of the statements below best applies to the sample mathematical work?
which gives a
V-
-2-2
Given the points above, I plug these values into the formula which yields the expression
*27*]
3-2
slope of -3.
A. the formula for the slope of the line is incorrect
B. the student failed to plug in the proper values into the slope formula
C. the numeric calculation to find the slope is incorrect
D. the mathematical work shown is correct

One integer is 8 times another. if the product is 72, then find the integers

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y