## Profile

Hello!
As a teacher and tutor, I will answer your questions and help you to learn your subjects and increase your confidence. I have taught Mathematics in 10, 11 & 12th grade including advanced Math pre-calculus 11th and pre-calculus 12th, Natural Sciences 6 & 7, Art 9 and Experience of Music 10, Sciences 9 & 10, Biology 11 and Chemistry 11. Also, I have taught algebra-based Physics. I have taught in French immersion classes. As a teacher, I have spent hours helping students from grades 4 to 6 learn reading. I have 5+ years of experience in teaching science laboratories. I have also been a juror in Science Expo competitions and helped mentor a robotics team.
At University, I have assisted in General Chemistry and Organic Chemistry labs and provided tutoring services. I am bilingual and can teach in French as well as English.

Samuel

#### Education

B.Sciences specialisation in Biochemistry, B.Education

## Subjects of Expertise

Pre-Algebra, Algebra 1, Geometry, Trigonometry, Biology, Chemistry, Physics, Physical Science, Reading, French, Pre-Calculus

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# 2 Tutorials by Samuel B

## Conic sections : vertices, foci and eccentricity of an ellipse. Posted by: Samuel B on Feb 11, 2018

From the equation of a conic section, here an ellipse described by 9x^2 + 36y^2 = 324, we will find vertices, foci and eccentricity. Given the equation, an oval of center (H,K) can be traced. A path of points traced (x,y) so that the sum of its distances from two fixed points is constant. The…

## Determine the mass of MgCl2 needed to prepare 1 L solution at 0,5 M Cl. Posted by: Samuel B on Oct 19, 2017

To prepare a certain amount (1 L) of solution (MgCl2) with a specific concentration (0,5 M or mol/Litre) of chloride, we will convert units from moles/L to mass, just like we would convert moles to mass.

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