PRC-2 · Chapter 1 · Question 10 of 45
When formulating a linear equation from a word problem, which of the following is the recommended first step?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) Select the unknown value, typically assigning the smallest unknown value to X.
Explanation
The first systematic step in formulating a linear equation from word problems is to select the unknown value. If there are multiple values, always select the smallest value to be the unknown 'X'.
More Linear And Quadratic Equations MCQs
- Q12Assuming a linear cost relationship, if 5 notebooks cost Rs. 150 and 8 notebooks cost Rs. 240, what is the cost of 1 notebook?
- Q13Solve the following linear equation for x: 3(x - 2) + 4 = 13.
- Q14In the expression 5x^2 + 8x - 3, what are the distinct components separated by the mathematical operation symbols called?
- Q15How many possible values (roots) does a standard quadratic equation of the form ax^2 + bx + c = 0 typically have?
- Q16The product of two positive integers is 45 and when added together the result is 14. Find the integers.