Curated OER
How Do You Find the Slope of a Line If You Have a Perpendicular Line?
What kind of lines have slopes that are the opposite reciprocal of each other? Parallel lines? No. Parabolas? No. Perpendicular lines? Yes! Watch and listen as the instructor demonstrates how to make these determinations about...
Curated OER
How Do You Find the Axis of Symmetry for a Quadratic Function?
Short and simple. X equals negative b divided by two(a) is the formula used to find the axis of symmetry. If the quadratic equation is in standard form, identify the values for a, b, and c and plug the values into the formula. Do the...
Curated OER
How Do You Factor a Polynomial by Guessing and Checking?
Use the guess and check method to factor a trinomial. Find the factors of the coefficients, then plug some in and check if they work. If it doesn't work then plug in some different factors or rearrange the factors and check again. You...
Curated OER
How Do You Write an Equation of a Line in Slope-Intercept Form If You Have One Point and a Perpendicular Line?
This problem has many steps involved. Finding equations and rearranging equations. Finding slope and getting the opposite reciprocal of a slope. Finding intercepts. There's a lot to do to solve this problem. It's not so difficult, it...
Curated OER
How Do You Use X- and Y-Intercepts To Graph a Line In Standard Form?
Given a linear equation, find the x-intercept and the y-intercept to graph the line. Not sure what to do or where to start? Watch this video and see the instructor break it down and make it understandable.
Virtual Nerd
What is Place Value for Whole Numbers?
Whole numbers are the natural numbers including zero. The instructor illustrates and explains place value. She draws a place value chart and then defines each term and what the numbers mean. She writes a number in standard form and then...
Virtual Nerd
How Do You Write a Whole Number Given in Words in Standard Form and in Expanded Form?
You are given a number that is written out in words and now you have to write it in numerical form, and you have to write it in expanded form. The teacher helps you identify the period values and the place values to write the words in...
Curated OER
How Do You Write an Equation of a Line in Point-Slope Form and Standard Form If You Have Two Points?
There are a lot of steps in this problem. But just like walking up a flight of stairs, you should take one step at a time, so too in the solving of this problem. The instructor explains each step and what to do to move to the next one.
Curated OER
How Do You Write a Whole Number Given in Expanded Form in Standard Form and in Words?
You've been given a number written in expanded form. You have to write it in standard form, and in word form. The instructor does a nice job illustrating and explaining just how to do both of these operations.
Curated OER
How Do You Put an Equation in Point-Slope Form Into Standard or Slope-Intercept Form?
Given a linear equation, rewrite it in different forms. No matter what form a linear equation is given in, it can be converted to the other forms. So that means every linear equation can be written in standard form, point-slope form and...
Curated OER
How Do You Write a Whole Number Given in Expanded Form in Standard Form and in Words?
You've been given a number written in expanded form. You have to write it in standard form, and in word form. The instructor does a nice job illustrating and explaining just how to do both of these operations.
Curated OER
How Do You Write a Whole Number Given in Words in Standard Form and in Expanded Form?
You are given a number that is written out in words, you have to write it in numerical form, and then you have to write it in expanded form. The teacher helps you identify the period values and the place values to write the words in...
Curated OER
How Do You Write a Whole Number Given in Standard Form in Expanded Form and in Words?
The instructor does a good job explaining place value. She identifies each value and shows how to multiply the given number by place value to get it in expanded form. Once she has it in expanded form she demonstrates how to write it out...
Curated OER
What is Place Value for Whole Numbers?
Whole numbers are the natural numbers including zero. The instructor illustrates and explains place value. She draws a place value chart and then defines each term and what the numbers mean. She writes a number in standard form and then...
Curated OER
How Do You Factor a Polynomial Using the A-C Method?
When first looking at this polynomial and thinking about factoring it into binomials, the task seems daunting because the numbers just look icky. But watch this video and see the instructor demonstrate how to factor by the A-C method....
Curated OER
What's Standard Form of a Linear Equation?
How many ways can you write a linear equation? Lots! Each form has its purpose in the world of algebra, so do you know how to write it in standard form? Ax+by=c. This is what standard form looks like. Can you rearrange the given equation...
Curated OER
How Do You Find the a, b, and c Values of a Quadratic Function?
Writing a quadratic equation in standard form gives values for a, b, and c that can be used to find several pieces of information about the graph of the equation. Knowing a, b, and c-values allows one to find the axis of symmetry, the...
Curated OER
How Do You Put an Equation in Slope-Intercept Form Into Standard or Point-Slope Form?
Given a linear equation, rewrite it in different forms. No matter what form a linear equation is given in, it can be converted to the other forms. So that means every linear equation can be written in standard form, point-slope form and...
Curated OER
How Do You Put an Equation in Standard Form Into Slope-Intercept or Point-Slope Form?
Given a linear equation, rewrite it in different forms. No matter what form a linear equation is given in, it can be converted to the other forms. So that means every linear equation can be written in standard form, point-slope form and...
Curated OER
How Do You Write an Equation of a Line in Point-Slope Form and Standard Form If You Have Two Points?
There are a lot of steps in this problem. But just like walking up a flight of stairs, you should take one step at a time, so too in the solving of this problem. The instructor explains each step and what to do to move to the next one.
Curated OER
How Do You Write an Equation of a Line in Slope-Intercept Form If You Have One Point and a Parallel Line?
This may seem like a complicated problem, finding an equation that is parallel to the given equation and passing through a given point, and writing it in slope-intercept form, but it's really not. It's just a matter of rearranging...
Curated OER
What's Standard Form of a Linear Equation?
How many ways can you write a linear equation? Yep, lots! Each form has it's purpose in the world of Algebra, so do you know how to write it in standard form? Ax+by=c. This is what standard form looks like. Can you rearrange the given...
Curated OER
What is the Standard Form of a Quadratic?
The teacher illustrates how to write a quadratic polynomial in standard form. There are a few rules to follow: all like terms must be combined, it must be written in order left to right as the degrees drop, and the coefficient of the...
Curated OER
What's the Standard Form of a Polynomial?
The teacher explains how to write a polynomial in standard form. She first explains standard form and then shows several examples. A couple of expressions were not in standard form and I would have liked to see her rewrite these...