We've studied word problems that allow for you to write an equation in slope intercept form. How do we know when a problem should be solved using an equation written in standard form?
As you are reading and analyzing the word problem, if you find that you can set up an addition problem, and you have a set total (constant), then you will be able to write an equation in standard form.
Let's look at a couple of examples.
I know how difficult it is to not only learn the skill, but then to be able to apply the skill. It is hard and unfortunately, it just takes practice! If you are struggling with this concept, then check out the Algebra Class E-course. Within this E-course, you will find a lot of word problems that will not only help as you study for your tests, but that will also help you in real-life situations. Often times, text book word problems are pretty "far out"; however Algebra Class word problems are more realistic and easy to relate to every day living. For more information, click here.
Let's look at one more example.
I know it's hard to imagine when you will need to use this skill, or even how to solve problems written in this form. You will be writing these equations and solving them when you get to the Systems of Equations Unit. So, stick with me - it will all come together and make sense.
Check out the other lessons in this unit.
Writing Equations Unit:
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