Ask your own question, for FREE!
Mathematics 14 Online
OpenStudy (whereisthefloor):

please help

OpenStudy (whereisthefloor):

Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 4–x and y = 2x + 3 intersect are the solutions of the equation 4–x = 2x + 3. (4 points) Part B: Make tables to find the solution to 4–x = 2x + 3. Take the integer values of x between −3 and 3. (4 points) Part C: How can you solve the equation 4–x = 2x + 3 graphically? (2 points)

OpenStudy (will.h):

Part A. They intersect because they get the same coordinates thus the same answer (solution)

OpenStudy (whereisthefloor):

i need C

OpenStudy (will.h):

Part B make table meaning that you get to try x values and then find the corresponding y values?

OpenStudy (will.h):

C is quite easy

OpenStudy (whereisthefloor):

Im having a hard time with it

OpenStudy (will.h):

The equation is 4 - x = 2x + 3 They used substitution method here The separate equations are Y = 4- x Y = 2x + 3 You get to graph each equation The 1st is with a slope of -1 and w y intercept of 4 The 2nd is with slope of 2 and y intercept of 3 Thus apply the coordinates above and see where they intersect. At the point of intersection would be what so called common solution

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!