Variables and constants
Algebraic expressions · Mathematics
Study notes
Q: In 7x^2 - 3x + 9, identify variables, constants, coefficients. Step 1: Variable: x (the letter that can change). Step 2: Terms: 7x^2, -3x, +9. Step 3: Coefficients: 7 (of x^2), -3 (of x). Step 4: Constant term: 9 (no variable).