Homework 4 solving systems by elimination day 2 answer key
Asked by admin @ in Mathematics viewed by 364 People
Lesson 3 Unit 7, Solving Systems Using Elimination Quiz
1. (I'VE ALREADY ANSWERED THIS)
2. What is the solution of the system?
7x + 5y = 19
-7x - 2y = -16
(A). (2, 1)
(B). (1, 2)
(C). (7, 5)
(D). (-7, -2)
3. Which method would be the simplest way to slove the system?
y = 1/2x
2x + 3y = 28
(A). Graphing
(B). Substitution
(C). Elimination
(D). Distributive
4. What is the solution of the system?
y = -3x
3x + 2y = 6
(A). (2, 6)
(B). (-1, 3)
(C). (-2, 6)
(D). (1.5, -4.5)
5. How many solutions does this system have?
-3x + 6y = 10
-3x + 6y = -4
(A). None
(B). One
(C). Infinite
(D). Two
6. In wich quadrant does the solution of the system fall?
y = x - 1
y = -3x - 5
(A). I
(B). II
(C). III
(D). IV