MATH 1222 INTRODUCTION TO ALGEBRA ACTUAL EXAM SCRIPT 2026 FULL QUESTIONS AND CORRECT ANSWERS

MATH 1222 INTRODUCTION TO ALGEBRA
ACTUAL EXAM SCRIPT 2026 FULL
QUESTIONS AND CORRECT ANSWERS


◉ horizontal line test.
Answer: If in the original equation, a horizontal line is drawn
through 2 points, the inverse of the equation is not a function


◉ function is a polynomial.
Answer: x = all real numbers


◉ graph is a straight line with an increasing slope.
Answer: y = all real numbers


◉ k.
Answer: constant of variation


◉ direct variation.
Answer: variable is on top


◉ inverse variation.

, Answer: variable is on the bottom of a fraction


◉ joint variation.
Answer: variation with 2 or more variables


◉ f varies directly as x.
Answer: f=kx


◉ f varies jointly as x and y.
Answer: f=kxy


◉ f varies as x+y.
Answer: f=k(x+y)


◉ f varies inversely as c.
Answer: f=k/x


◉ exponential growth.
Answer: - quick growth
- proportional growth, fixed rate
- starts on really small and then shoots up
- never touches 0