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Can you solve the following 2 simultaneous equations; y=6x-2 and x^2-4x+19=y?

y=6x-2

x2-4x+19

Both equations are equal to Y, hence can be substituted into each other;

6x-2= x^2-4x+19

Now we only have X terms in our equations

Br...

MC
Answered by Mohammed C. Maths tutor
6866 Views

Sasha has a bag containing 12 red beads, and 8 blue beads. She draws one bead from the bag at random. What is the probability that it is blue?

There are 12 + 8 = 20 beads in the bag in total.If sasha draws a bead at random then she has 8 chances out of 20 possible beads that the bead is blue. So the probability that the bead is blue is 8/20 = 2/...

AW
Answered by Alexander W. Maths tutor
8095 Views

How do I sketch the graph y = (x^2 + 4*x + 2)/(3*x + 1)

This is an example of a rational function. So to sketch it, we need to know three things: 1) where it crosses the x and y axis 2) Where its turning points are, if it has any 3) Where its asymptotes are, i...

AW
Answered by Alexander W. Maths tutor
7033 Views

How to solve a simple simultaneous equation

Solving simultaneous equations: Example Question:Equation 1 --->         2y – 4x = 2Equation 2 --->         4y – 6x = 10 Find the unknown quantities, x and y. Solution:

NK
Answered by Nivedah K. Maths tutor
5155 Views

How do you solve an equation by completing the square?

Firstly, you can only complete the square on quadratic functions (functions in the form Ax2+Bx+C)

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EJ
Answered by Emma J. Maths tutor
5211 Views

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