exam
Maths Puzzle
Numerical Ability
Solve and Graph:
4x=5y=-2 4y-x=11
and...
3x+y=2
-x-3y=6
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exam Other Question
Please help me understand these problems in chapter 6.1, starting with #15,page 380.
t^2-4/2t^3+11t^2-6t
How do you solve inequalities and graph the solution?
Y - 3 > or equal to 5
x - 5 < 3
2x + 7 > 5
5x < or equal to 20
x/3 < or equal to 5