Show:
+/- integers
x// integers
order of operations
matrices
expressions
100
6 + (-21)
15
100
4(-17)
-68
100
6 + 2(-3) + (-9)
-9
100
[4 -3 8] + [-6 8 4]
[-2 5 12]
100
the sum of a number and 7
x + 7
200
-18 + -45
-63
200
13(-7)
-91
200
(2+6(2)-2) +(-7)
5
200
[-2 5 -12] - [4 -6 8]
[ -6 11 -20 ]
200
the quotient of 8 and y
8/y
300
6-(-19)
25
300
-42 / 6
-7
300
4 + (-12)/2(6)
-32
300
-3[-6 8 -3]
[18 -24 9]
300
4 less than twice a number x
2x - 4
400
4 + (18) - (-7)
29
400
14/2(-7)
-49
400
(48-12)/(4-16) -(-4)
1
400
(1/2)[-6 6 -15]
[-3 3 -7.5]
400
twice the sum of y and 7
2(y +7)
500
4 - (-8) - (-17)
29
500
-6(4)(-3)
72
500
4^2 - 4(3) + 18/(-6)
1
500
(3/2)[-6 -10 8]
[-9 -15 12]
500
the difference of x and 2 squared
(x-2)^2