Solving equations and inequalities
Please see attached for formatting.
1. 3y – 9 =3x
2. Translate to an inequality, use the variable x. The amount of acid is not to exceed 400 liters.
3. Skip
4. Skip
5. -16x > -80
6. 5x + 2 – 4x < 11 the solution set is {x l x < }
7. 5y – 10 < 4y – 7 the solution set is {y l y < }
8. Find the slope if it exists, y = -9x + 2
9. Find the slope if it exists, x + 7y = 14
10. Determine whether -4 is a solution of the inequality, x > -4
11. Solve using the multiplication principle, -2x < -6 {x l x }
12. Solve using the addition and multiplication principles, 5 – 5y – 8y > 83
{y l y > }
13. Find the slope if it exist on the line, 8y
8y
( -3, 4)
8x
-8 (1, -5)
15. -5 + 5y = 10 use the intercepts to graph the equation
16. x + 6 > 3
17. Skip
18. Graph the line containing the given pair of points and find the slope (-5, 3) ( 0, -1)
19. Skip
20. Graph the equation and identify the y-intercept y = x the y intercept is? Type an ordered pair.
21. Graph the equation and identify the y-intercept y = x + 8 the y intercept is? Type an ordered pair.
22. Graph the equation and identify the y-intercept y = x + 2 the y intercept is? Type an ordered pair.