Which of the following types of models is usually in the form of a drawing, graph, or equation?

You are given two points, (-1, 10) and (5, 8). You are required to find the equation in slope intercept form given the points. The equation of a slope intercept form is y = mx + b. Where m is the slope and b is the y-intercept. By definition, slope, m, is the rise over run or the difference of y over the difference of x.

m = y2-y1/x2-x1

Let us denote y2=8, y1=10, x2=5 and x1=-1 and we get

m = 8-10/5-(-1)

m = -1/3, a negative slope means it is rising to the left of the graph.

Since the slope passes the two points, it also passes the y-intercept. Choose one of the points, (-1, 10) and substitute it to y = mx + b.

y = mx + b

10 = (-1/3)(-1) + b

b = 29/3

The equation now is y = -1/3x + 29/3.

answer : one can design an experiment using a liquid and an additive that can be added to the liquid and observe the chemical changes in the reaction species.

one would need a beaker which is filled with a known amount of the liquid in which thermometer is placed to measure the temperature changes; after addition of the additive to the liquid solution one can note down the temperature change and find whether the reaction is endothermic or exothermic in nature. by subtracting the initial temperature value with the final temperature one can find the temperature changes.

various combinations of liquid and additive can be used. liquid in this case can be a known quantity of water and additives can be epsom salt or without epsom salt the experiment can be conducted to notice the changes. water and ice, hydrogen peroxide and dry yeast, vinegar and baking soda,etc.

16

explanation:

the marks go by 4s