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Geometry
Algebra
Functions
100
1/3 = 2/x
x = 6
100
2x + 9 = 27
x = 8
100
f(x) = 4x - 10 + 2x x = -2, 3, 5
y = -22, 8, 20
200
4/6 = x/9
x = 6
200
3x - 3 = 12
x = 5
200
f(x) = x^2 + 2x + 12 x = -3, 2, 4, 7
y = 15, 20, 36, 75
300
7/4 = 10/x (solve problem to 2 decimal places)
x = 5.71
300
1/3x + 8 = 21
x = 39
300
f(x) = x^3 - 3x + 7 x = -2, 1, 5,
y = 5, 5, 117
400
13/39 = x/27
x = 9
400
1/4x - 17 = 39
x = 224
400
f(x) = 1/3x + 16 - 5 x = -3, 1, 3,
y = 10, 11 1/3,
500
111/159 = 10/x (solve to the second decimal place)
x = 14.32
500
2/7x + 15 = 115
x = 350
500
f(x)= x^2 + 1/3x + 4 x = -1, 2, 3
y = 4 2/3, 8 2/3, 14