X-2.5 2 -1.5
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Mathematics, 31.10.2020 14:30 sariahieveryone
1a. Copy and complete the following table of values for the function
y=2x² 3
X-2.5 2 -1.5
-0.5 0 05 1
2
5
b. Using a scale of 2cm to lunit on the x axis and 2cm to 2units on the
y axis, draw the graph of the function
c. On the same axes and using the same scale, draw the graph of
y=2x+1.
d. Use your graph to estimate;
1. The roots of the equation x?-x-2=0
il. The least value of the function y=2x-3
III. The value of x corresponding is the least value of y.
2. A two digit number is such that its tens digits is greater that its unit
digit by 5. If the number is 14 less than 3 times the product of its digits
Find the number
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Answers: 3
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You know the right answer?
1a. Copy and complete the following table of values for the function
y=2x² 3
X-2.5 2 -1.5
X-2.5 2 -1.5
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