Using interval notation, we say that the function is decreasing on the interval -3, 2 increasing on -infinity, -3 and 2, infinity Exercise 3:

Writing Equations in Standard Form We know that equations can be written in slope intercept form or standard form. Let's quickly revisit standard form. Remember standard form is written: Let's look at an example.

When we move terms around, we do so exactly as we do when we solve equations! Whatever you do to one side of the equation, you must do to the other side! Solution That was a pretty easy example. Let's take a look at another example that involves fractions.

There is one other rule that we must abide by when writing equations in standard form. Equations that are written in standard form: Let's take a look at an example.

We now know that standard form equations should not contain fractions. Therefore, let's first eliminate the fractions. Solution Now, let's look at an example that contains more than one fraction with different denominators.

If you find that you need more examples or more practice problems, check out the Algebra Class E-course.

You'll find additional examples on video, lots of practice problems with detailed solutions and little "tips" to help you through! Our first step is to eliminate the fractions, but this becomes a little more difficult when the fractions have different denominators!

We need to find the least common multiple LCM for the two fractions and then multiply all terms by that number! Solution Slope intercept form is the more popular of the two forms for writing equations.

However, you must be able to rewrite equations in both forms. For standard form equations, just remember that the A, B, and C must be integers and A should not be negative.) These values are correctly used to write the equation of the tangent line. The student earned 1 point for g ′ () and 1 point for the tangent line since the incorrect value for g () is.

The line shown has the equation y=x+ We are being asked to find the coordinates of the point where it crosses the x-axis.

We are being asked to find the coordinates of . So we can just put the values of point we can identify from the graph and check if any equation is satisfied by that point. If some equation(s) doesnt satisfy any of the identified point, clearly we can say that its not the correct option.

The calculator will generate a step-by-step explanation how to graph lines. Graph lines in slope y-intercept form Graph lines in standard form Graphing lines calculator (line . Write an equation of a line that is parallel to the line shown.

Write an equation of a line that is perpendicular to the line shown. Graph both lines you created above in the same plane as the original to Graph the equation on your graphing calculator. b) A second dose of the drug is taken one hour after the first dose. Write an. Equation of a Straight Line.

The equation of a straight line is usually written this way: y = mx + b (or "y = mx + c" in the UK see below) of a Straight Line Y Intercept of a Straight Line Test Yourself Explore the Straight Line Graph .

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Find the Equation of a Line Given That You Know Two Points it Passes Through - WebMath