Which set of points lies on the given graph? a. (–3, 9), (–1, 5), (3, –3) b. (–3, 9), (–1, 5), (3, 3) c. (3, 9), (–1, 5), (3, –3) d. (3, 9), (1, –5), (3, 3)
(x,y) x means how far right from the center the point is (if it is to the left, make it negative)
y means how far up from the center the point is (if it is down then make it negative)
answer is A
Answer from: Quest
40 & 50 in the right corner are the complementary angles as when placed in a sum (added together) they make 90°
Answer from: Quest
intensity of the vector is v= √37 ≈ 6.08 units and make angle ∡α ≈ 9.46° with east direction
step-by-step explanation:
required vector is consists of the two componentsvx= 2+4=6 units and vy= 1 unit and vx ⊥ vywe will use pythagorian theorem to find intensity of the vector vv∧2 = vx∧2 + vy∧2 => v = √vx∧2 + vy∧2 = √6∧2 + 1∧2 = √36+1 = √37 ≈ 6.08 unitsthe angle ∡α between vector and east direction we wil find with tanαtanα = 1/6 => α = arc tanα = arc 1/6 => α ≈ 9.46°
hope this
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