Problema Solution
9 QUESTIONS WHICH REQURE A YES OR NO -PROBLEMS-
THIS PRACTICE WILL HELP IN THE TESTING,THE EXPLANATION IN THE BOOK IS UNCLEAR TO ME
1- IS THE RELATION A FUNCTION? (-2,4),(-1,2),(0,0),(1,2)
2- IS THE RELATION GIVEN IN THE TABLE A FUNCTION
X -2 -1 3 -5 -8
Y 5 -2 5 -2 -2
3- IS THE ORDERED PAIR A SOLUTION OF THE EQUATION ? Y=X+16;(-1,-17)
4- IS THE ORDERED PAIR A SOLUTION OF THE EQUATION ? Y=-6X-14,(-5,16)
5- IS THE ORDERED PAIR A SOLUTION OF THE EQUATION ? 4X+5Y=-1;)1,-1)
6- IS THE ORDERED PAIR A SOLUTION OF THE EQUATION ? 2X-3Y=7,(8,-3)
7- WRITE THE EQUATION IN FUNCTION FORM 8X+4Y=20
8- WRITE THE EQUATION IN FUNCTION FORM 3Y-12X=0
9- WRITE THE EQUATION IN FUNCTION FORM 9X-2Y=6
Answer provided by our tutors
1. yes
functions can only have one y-value per every x-value
2. yes
3. no
plug in x and y values and see that it does not work
4. yes
5. yes
6. no
7. 4y = -8x + 20
y = -2x +5
8. 3y = 12x
y = 4x
9. -2y = -9x + 6
y = 9/2x + 3