Answer:
Complex number.
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
The leading coefficient is the coefficient with a variable with the greatest exponent.The exponent is the number you would say "the power to". What I mean is let's say you have this number: . The exponent would be 2 in this equation because it's saying what power 3 is too. Therefore, 5 is the leading coefficient.
X - the number of questions he answered correctly
y - the number of questions he answered incorrectly
There were 40 questions on the test.
The correct answers were given 5 points each, the incorrect answers were given -2 points each. He made a score of 95.
Set 40-x and (-95/2)+(5/2)x equal to each other:
Johnny answered correctly
25 questions.
All you have to do is multiply the top and bottom by the same number (I'll do two). 5 times 2 = 10, and 8 times 2 = 16. 10/16 is equivalent to 5/8. A proportion for this can be written as 5/8 = 10/16.