Solve the following system by graphing and identify the point of intersection.

Algebra
Tutor: None Selected Time limit: 1 Day

Solve the following system by graphing and identify the point of intersection.

5x + 3y = -15

2x - y =-6

a.(–1, 3)

b.(0, –3)

c.(–3, 0)

d.(3, –1)

Which point lies in the plane represented by the equation 2x + 7y + 3z = -25?

a.(–3, 3, –2)

b.(–6, –4, 5)

c.(6, 1, –3)

d.(6, 1, 2)

Solve the system. 

-3y = -2x -7

-4x = -6y - 10

a.(-10,5)

b infinite solutions

c.(10,5)

d.no solution

What is the solution to the system of equations?

2x -3y -2z = -7

x - 3y -3z = 4 

x - 2y - z = -3

a. (8,–1,–3)

b. (–8,–1,3)

c. (–8,1,–3)

d. (-8,-1,-3)

May 12th, 2015

1. c.(–3, 0)

2. b.(–6, –4, 5)

3. d.no solution

4. d. (-8,-1,-3)

May 12th, 2015

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