Begin your algebra adventure with a step-by-step guide that lays a solid foundation, gradually elevating your skills to tackle more challenging concepts.
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|-22 – 1| = 23 |4 – -2| = 6 (If you ever wondered why “two negatives equal a positive” in algebra, this last example, 4 – -2 helps to explain why!). When do we use absolute value in statistics? In general. we use absolute values when we don’t care about the sign ...
Graphing calculators are one way to help students understand the relationship between graphs and the solution of a set of equations. The key to understanding that relationship is knowing that the equations' solution is the intersection point of the graphs of the individual equations. Finding the int...
We can see the graph of g is the graph of f(x)=x2f(x)=x2 shifted to the left 2 and down 3, giving a formula in the form g(x)=a(x+2)2−3.g(x)=a(x+2)2−3. Substituting the coordinates of a point on the curve, such as (0,...
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Using a graphing calculator is a fast and effective way to identify the X and Y intercepts of a function. Using the built-in tools allows you to find the intercepts without doing the algebra. Enter the equation. Press the "Y=" button on the calculator. C
It is common to name a function either f(x) or g(x) instead of y. f(2) means that we should find the value of our function when x equals 2. Example f(x)=x+7 ifx=2then f(2)=2+7=9 A function is linear if it can be defined by ...
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