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When A student found the slope of a line that passes through -3 10 and 5 -7 to be 3 over 8 what mistake did he make?
He has to1) subtract MINUS 7 for y'2) Use MINUS 3 and MINUS 5 for x and x'He incorrectly wrote this(y - y') / (x - x')like this:(10 - 7) / 3 + 5)He should have written this:(10 - (-7)) / (-3 -5)This comes out to(10 + 7) / (- 3 -5)17 / - 8Correct answer:Slope = 17 / - 8
What is negative 8 minus 7?
The expression "negative 8 minus 7" can be simplified as -8 - 7. To subtract a positive number from a negative number, you can add the opposite. Therefore, -8 - 7 is the same as -8 + (-7), which equals -15.
What is x minus 7 equals 8?
x - 7 = 8 x = 7 + 8 x = 15
Which is greater 4 over 5 7 over 8 9 over 10 or 11 over 12?
4/5 = 0.8 5/7 ≈ 0.71 8/9 ≈ 0.89 10/12 ≈ 0.83 11/12 ≈ 0.92 Thus, the greater is 11/12. 11/12, 8/9, 10/12, 4/5, and 5/7.
What is five eighths minus four fifths?
5/8 minus 4/5 is -7/40
What is 7 over 10 - by 9 over 8?
7/10 minus 9/8 = -17/40 in its lowest terms
What is 7 over 10 minus 5 over 8?
7/10 - 5/8 = 28/40 - 25/40 = 3/40
What is 3 over 2 minus 7 over 10?
3/2 - 7/10 = 15/10 - 7/10 = 8/10 = 4/5
What is the answer for 10 minus 9 eighths?
10 minus 9/8 is 8 7/8
What is 7 over eight minus three over ten equal?
7/8 − 3/10 = 23/40
What is 4 over 5 minus 1 over 10?
4/5 - 1/10...8/10 - 1/10 = 7/10
What Is 2 Over 7 Minus 5 Over 8?
It is: 2/7 minus 5/8 is = -19/56
What is 8 over 15 minus 7 over 20?
8/15 minus 7/20 is 11/60
What is 8 over 9 minus 7 over 12?
8/9 minus 7/12 is 11/36
What is 7 over 10 minus 3 over 8?
13 over 40 explanation: you must multiply 7 over 10 by 8 and 3over 8 by 10 so the denominators are the same. you end up with 56 over 80 minus 30 over 80. Your answer, 26 over 80 and you must simplify, so divide both top and bottom by two and you have you answer.
What is 7 over 10 minus 4 over 15?
21/30 - 8/30 = 13/30
What is 7 over 8 minus 1 over 8 in simplest form?
It is: 7/8 minus 1/8 = 6/8 => 3/4 in its simplest form
