Kumon Level N Test Questions And Correct Answers | Updated
Kumon Level N Test Questions And Correct Answers | Updated 1. Given the fixed points F(0 ,√5) and F' (0 ,-√5), obtain the equation of the locus point P(x, y), such that PF +PF' = 8 - ANSWER : √[x^2+(y-V5)^2]+√[x^2+(y+V5)^2]=8 x^2/11+y^2/16 = 1 2 Graph the region satisfying the given system of inequalities, and then state the range of values x and y x-y+1 ≥ 0 5-2x-y ≥ 0 - ANSWER : all real numbers for x, y ≤ 7/3 3. Obtain the 30th term of an arithmetic sequence whose 5th term is -3 and whose 14th term is 24. - ANSWER : a+4d=-3, a+13d=24, a=-15, d=3 72 4. Obtain the sum of the following arithmetic sequence. -15, -10, -5, 0, ... (through the 12th term) - ANSWER : 150 5. 4 Σ (3k - 2) = k=1 - ANSWER : 22
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