Reference no: EM131019815

1. Solve and graph.

3x+13≥ and 3x - 20 ≥ -11

The solution is {x|x ≥ ____}

2. Solve and graph.

3x+3≥ - 18 or 6x + 3 ≥ -9

The solution is {x|x ≥_____}

3. Solve the system by the elimination method.

5x+2y=-11

7x+3y=19

What is the solution to the system?

(Type an ordered pair. Type an integer or a fraction. Type N if there is no solution. Type I if there are infinitely many solution.)

4. Graph and write the solution in interval notation.

x<5 and x ≥ -2

Write the solution in interval notation.

5. Graph the inequality on a plane.

4x+5y ≤ 20

6. Solve. Then graph.

a+6 ≤ -13

The solution is {a|a ≤ ________}.

7. Graph the system of inequalities.

x ≤ 2

y ≥ -2x + 3

8. Graph system of equations

x+y=3, y =-x+6

x-y=3,y =x+6

Are the equations dependent or independent.

Are they consistent or not consistent.