The temperatures inside a greenhouse are recorded every six hours over a 24-hour time period. The results are shown in the table below.
Time 00:00 06:00 12:00 18:00 24:00
a) Draw a time series graph
Temp. (°C) 4 8 14 15 6
to show this information.
Temp. (°C)
167
b) Calculate the range of
temperatures measured
inside the greenhouse
over the 24-hour period.
121
8
4
0
00:00
06:00
12:00
18:00
24:00
Time

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because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10