11
practice testMultiple Choice

Practice Test

Question 11 • Geometry

Point A is at negative 2 and point B is at 5 Open image in full-screen view Which shows how to determine the point that will divide the segment into a ratio of 4 to 5 ratio using the formula x is equal to open paren the fraction with numerator A and denominator A plus b close paren times open paren x sub 2 minus x sub 1 close paren plus x sub 1 ?

Answer
A
x is equal to 4 ninths times open paren 5 minus 2 close paren plus 2
B
x is equal to 4 fifths times open paren 5 plus 2 close paren minus 2
C
x is equal to 4 ninths times open paren 5 plus 2 close paren minus 2
D
x is equal to 4 fifths times open paren 5 minus 2 close paren plus 2

Explanation

Use the given formula with a = 4, b = 5, x₁ = −2, and x₂ = 5. The fraction is a/(a + b) = 4/9, and x₂ − x₁ = 5 − (−2) = 5 + 2; then add x₁, which is −2. This gives x = (4/9)(5 + 2) − 2, matching choice C.

AI-written and checked against the verified answer.

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