Answer:
Step-by-step explanation:
The zero of a function is also known as the x-intercept of a function. The x-intercept of a function exists where y = 0. So we will begin by setting each of those lines = 0:
4x - 20 = 0 and -1/2x + k = 0 and then solve each for x:
4x = 20 so
x = 5 and
-1/2x = -k and
1/2x = k so
x = 2k. Now we set the 2 x expressions equal to each other and solve for k:
5 = 2k so
k = 5/2
Answer:
Step-by-step explanation:
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The 5 in the hundredths place represents 5/100, whereas the 5 in the tens place represents 50, Figure out how 5/100 and 50 are related to each other: (5/100)x = 50. Mult. both sides by 100, we get 5x = 5000. Thus, the 5 in the tens place is 1000 times the 5 in the hundreths place.
Answer: B. (-2.5, 0.75)
<u>Step-by-step explanation:</u>
Use a graphing calculator or online graphing tool to graph the 2 equations.
The intersection of the two lines is the solution to the system.
The intersection is approximately at x = -2.5 and y = 0.75 <em>(See attachment) </em>
