Mental Math
9+7
16
What is the slope?
x y
-4 2
0 7
4 12
5/4
7x9
63
782/17 -46x=0
x=1
Who found or came up with 0?
The origin of zero came from a well-known astronomer and mathematician of his time, Aryabhatta from India.
24+7
31
Write the equation for a line with a slope of 1.9 and a y-intercept of 2.4
y= 1.9x + 2.4
90x200
18000
354/6-9x=-13
x=8
What is the billionth didgets of pi?
The billionth digit of Pi (3.1415 ...) is 9.
456-126
330
What is the slope?
x y
-7 9
0 12
7 15
3/7
64 divided by 8
8
409876+3x=409900
x=8
What was 0 originally called?
The number 0 is originally called cipher.
856-636
220
m=5 b=13 write the equation of the line
y=5x + 13
56 divided by 4
14
6783 x 9x +7=7
x=0
What is the Roman numeral for 0?
There isn't a Roman numeral for 0;)
586-35
551
What is the slope?
x y
-8 -3
-4 3
0 9
6/4
540 divided by 9
60
3x+4=769
x=255
What are the first 10 didgets of pi?
3.141592653