Algebra Practice Problems
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-25<x-2<10
-23<x<12
(slope int from two points) (0,1) , (3,-8)
-3 Y=-------x+1 9
-7<x-4<2
-3<X<6
2(x-3)< or equal to -13+2x
-6< or equal to -13, (no solution)
(inequality applications)Local pizzeria charges 14.99 cents for 2 pizzas, and they purchased 3 pitchers of soda for 12.99 cents. The max they can spend is 75$ so how many pizzas can they buy?
x<8
5x-16-8x=-10
x=-2
4y+2x=3
x=1.5, y=0, x=0, y=0.75 (multiple solutions possible)
(slope int from two points) (2,5), (4,2)
y=3/-2 +8
10 ------ √5
2√5
√8 ------ √18
12 ------ 18
√25-16 (both inside radical)
3
Graph Y=-3x+6
3points=(2, 0) (1,3) (-1, 9) domain {x: x is a real number} range {y: y is a real number} simplified equation y = -3x + 6 slope= -3 y-intercept =(0, 6)
√2 √18
6
4.52-3x=7(solve for x)
X=0.344
