Answer:
The same way you tell if a parabola opens up or down, by the leading coefficient of the variable.
Step-by-step explanation:
Since the x-axis is positive to the right, a positive leading coefficient (3) means it opens to the right. eg. And a negative leading coefficient (-2) means it opens to the left.
If you add those two numbers together you get 67. 67-23=44 :)
x+y= 4 (-2)
3x+2y = 9
-2x -2y = -8
3x +2y = 9
x = 1
1+y =9
y = 9-1
y =8
Answer:
real numbers are composed of
natural numbers, whole numbers, integers, rational numbers and irrational numbers.
Step-by-step explanation:
hope that helps>3
The answer is The student's conclusion is incorrect because the solution to the system of equations 3x + 4y = 32 and <span>5x + 5y = 50 is (8, 2)
Harry's money is $ 32
He said that he spent ALL of his money buying 3 Notebooksx and 4 cards y, so the equation that represent this is </span>
3x + 4y = 32 .
He said that HE IS SHORT $18 if he wants to buy 5 notebook x and 5 cards y,
So the equation that represent this is
5x + 5y = 32 + (18)
5x + 5y = 50
And (8,2) is the only one that fit in both equation/
