Evaluate the following expressions when
a = -2, b = 3, c = -4 and d = -6.
You can use the backslash key to indicate absolute value. \-5\ = 5
You may also have a | symbol that can be accessed by pressing the Shift key and the \ key at the same time.
|-5|=5.
1.|a+b|
2.5|c+b|
3.a+b|c|
4.|a+c|/-d
5. 3|a+d|+b
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OpenStudy (jack1):
1 a+b =...?
OpenStudy (jack1):
@andrewj43
1.
a=-2 and b= 3
so a +b =...?
OpenStudy (anonymous):
i have to show the steps
OpenStudy (jack1):
these are the steps:
Q1:
a+b =...?
OpenStudy (jack1):
dude, you there?
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OpenStudy (anonymous):
yes
OpenStudy (jack1):
sweet, Q1:
a+b =...? if a = -2 and b = +3
OpenStudy (anonymous):
it would be 2 +3
OpenStudy (jack1):
no, -2 +3, the absolute value part happens at the end once the equation inside the lines is complete
OpenStudy (jack1):
if it asked |a| + |b| then it would be 2+3
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OpenStudy (anonymous):
oh so then it would be 1
OpenStudy (jack1):
yep, and its already a positive value, so the | | means nothing in this case
so Q1 = 1