mgb5e_ppt_2_5 - 2.5 An Introduction to Problem Solving...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
§ 2.5 An Introduction to Problem Solving
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Martin-Gay, Beginning Algebra, 5ed 2 Strategy for Problem Solving General Strategy for Problem Solving 1) UNDERSTAND the problem Read and reread the problem Choose a variable to represent the unknown Construct a drawing, whenever possible Propose a solution and check 2) TRANSLATE the problem into an equation 3) SOLVE the equation 4) INTERPRET the result Check the proposed solution in the problem State your conclusion
Background image of page 2
Martin-Gay, Beginning Algebra, 5ed 3 The product of twice a number and three is the same as the sum of five times the number and 12. Find the number. 1.) UNDERSTAND Read and reread the problem. If we let x = the unknown number, then “twice a number” translates to 2 x , “the product of twice a number and three” translates to 2 x · 3, “five times the number” translates to 5 x , and “the sum of five times the number and 12” translates to 5 x + 12.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

mgb5e_ppt_2_5 - 2.5 An Introduction to Problem Solving...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online