Chapter 8 test: solving systems of equations 1. solve by graphing
y= x-1

3x + 2y =8
the graph is up there lol

2. solve by substitution
x + 4y=6
y= -x+3

3. solve by elimination
x- 2y= -19
5x + 2y=1

4. solve by elimination
x + 3y= -2
3x + 4y= -1

5. solve the special system.

-2x + 8y= 5
x-4y= -3

6.
beth bought 15 tickets to a movie where adults tickets cost $6.00 and senior citizens cost $4.00 she spent a total of $76. (write and solve a system of equation to determine the number of adult tickets, a, and the number of senior citizens
tickets, S, best purchase?)

BRAINLEST FOR CORRECT ANSWERS!!
SHOW ALL WORK STEP BY STEP!!
PLEASE PLEASE PLEASEEE HELP ASAP!!

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

8

step-by-step explanation:

to find the amount of gift bags to use all the supplies, find the gcf or greatest common factor. this is the largest number which multiplies evenly into each term.

48 has factors: 1, 2, 3, 4, 6, 8, 12. 16, 24, 48

80 has factors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

64 has factors: 1, 2, 4, 8, 8, 16, 32, 64

the highest number factor they all share in common is 8. this means there will be 8 bags with 6 pencils, 10 markers, and 8 stickers in each bag.

0.038

step-by-step explanation:

well your weight will go up if you are not going to burn the calories/ carbs

step-by-step explanation: