A temperature model is (T(h)=35-1.5h). What will the temperature be at (h=6)?
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Answer and explanation
Correct answer: 26
Substitute h=6 in the model: T(6)=35-1.5(6)=35-9=26. Therefore, the temperature is 26. Option 29 can result from an incorrect calculation of 1.5×6. Exam tip: In a linear model, substitute the input value first, multiply, and then add or subtract.
Frequently asked questions
What is the correct answer to this question?
26
Why is this the correct answer?
Substitute h=6 in the model: T(6)=35-1.5(6)=35-9=26. Therefore, the temperature is 26. Option 29 can result from an incorrect calculation of 1.5×6. Exam tip: In a linear model, substitute the input value first, multiply, and then add or subtract.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Linear growth and decay.
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