Q5 Prep 3 Algebra Question Bank

a) Find the values of a and b knowing that (3, -1) is the solution of the two equations: \[ a x + b y - 5 = 0 \] \[ 3 a x + b y = 17 \]

Solution: a = 2, b = 1

MR/Nasef.N

b) Which pair (a, b) satisfies both equations when (3, -1) is the solution? \[ a x + b y - 5 = 0 \] \[ 3 a x + b y = 17 \]

a) (1, 2)

b) (2, 1)

c) (3, -1)

d) (-1, 3)

b

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