Substitution into a Formula       TEST 1
by Robert Gallinagh

Find the value of Y in the following formulae knowing the value of x
eg What is the value of y, when y = 2x + 1 (and x = 3) ...answer y = 2(3) + 1 = 7

Each question is followed by 4 answers. Pick the correct answer.



© Robert Gallinagh 2006.