Juan y jhon

16. General or ordinary form.

a) x+y+4=0 c) –x+y+4=0

b) –x+y=4 d) –x+y=4

17. Symmetry form.

a) x/5 + 4/-5 = 1 c) x/-4 + y/-4 = 1

b) x/-5 + 4/5 = 1 d) x/4 + y/4 = 1

18. Solve the inquality: 2x+1≤x+3

a) 3x≥2 c) x≤4

[2/3,∞) (-∞,4]

b) 2x≤2 d) x≤2

(-∞, 1] (-∞,2]

19. Solve the iquality: 5(x-1)-2(x+3)≥13 no se si era 13 o B no le entendí a tu letra

a) x≥.25 c) x≥3

[0.25, ∞) [3, ∞)

b) X≥4 d) x≥12

[4, ∞) [12, ∞)

20. If a <0 then the parabola will be:

a) c)

b) d)

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