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'Exactly divisible' means it can be divided by without leaving a remainder.
Let's learn about some mathematical constants. Which one is your favorite?
Remember to follow us on all platforms to stay up to date with our posts. π
We normally know numbers up to a billion, do you know beyond that? Find out here and type your favorite in the comments.
Another explanatory video to understand slopes. Check it out and comment if you've got any questions.
From the above video, it's important to note;
Gradient - is a measure of the steepness of a slope. It's calculate by the ratio of the change in y to the change in x.
The greater the gradient, the steeper the slope, vice versa.
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I think maths is art and the every mathematician is an artist.
What do you think is interesting about maths? Write in the comments π
Now let's solve a quadratic equation using the quadratic formula. π The easiest and shortest method.
Alright! Hi guys!
Let's complete some more squares π.
I encourage you to take your own paper and practice alongside the video. Any questions write in the comments.
This is the geometric picture of completing the square: as you can see it's literally "completing the square" as in adding a piece 𧩠to the existing shape inorder to make into a square.
What is to 'solve a quadratic equation'?
To solve a quadratic equations means to find the roots of x for which the equation it true. For example;
xΒ²-4=0
Inorder to find the values of x for which this equation is true, we muct solve the equation. There are 4 ways to solve a quadratic equation namely
a) factorisation
b) using the quadratic formula
c) completing the square
d) graphical method.
Let look at them one by one π
Do you know about the quadratic formula? The same was used to calculate the roots of the above equation.
