# Math TEA is Served...

## statistics , question 5, grade 10

12/11/2017

5) After a survey done on the ages of 50 children on their first day at a scouts’ camp, the results were shown in the following table: Ages 7 9 10 12 Total n0” of…Read More

## statistics , question 5, grade 10

09/10/2017

5) Shadia listed her scores in 6 math quizzes  out of 10 as follows: 8,8,4,x,7,y Knowing that her best score was x and her worst one was y; 1) re-arrange the given data in the…Read More

## statistics, question 4, grade 10

09/10/2017

4) Consider the statistical table showing the number of articles written by 50 journalists thru 10 days: xi 2 5 7 10 a total ni 5 10 10 b 12 50 I.C.F. Specify the population…Read More

## equations in two unknowns , grade 9, question 6

01/03/2017

1)Solve the system : 2) Find the dimensions of  a rectangular mat knowing that its perimeter is 240 cm and its length is 4cm less than triple its width. 3) knowing that 30% of the…Read More

## Coordinate systems, grade 9, question6

01/03/2017

In an orthonormal system of axes (x’x) and (y’y): Plot :A(1,3), B(-4,0), and C(5,0) and draw : (d):y=3x. Verify that A belongs to (d). Find the equation of a st.line (L) parallel to (d) and…Read More

## Real numbers,grade 9, question 21

01/03/2017

A,B,C,D are the vertices of a quadrilateral Choose the correct answer: AB =  then AB = a)                          b) 3        …Read More

01/03/2017

## The coordinate system , question 2, Grade 10

01/03/2017

In an orthonormal system of axes : Plot the points : A(0,3), B(1,-1), and C(3,2) Find the coordinates x and y of a point M knowing that : Let F be the midpoint of [BC],…Read More

## The coordinate system, question 1, Grade 10

01/03/2017

In a coordinate system  ,the following questions are independent: Consider: M(x,y), A(2,-1), E(3,0) and I(0,1); Calculate x and y Knowing that I is the centroid of triangle MEA. Given : K(n2-1,3) , F(0,1) and G(4,5).…Read More

## Inequalities, grade 9, question 1

01/03/2017

Given A = 9x2-12x+4 and B =4-9x2 Show that A – B = 6x(3x-2) Solve the inequality A-B < 6(3x2-1) and represent the solution on a number line and in the interval form.Read More

## equations in two unknowns, grade 9, question 5

01/03/2017

5) Find two numbers x and y proportional to 3 and 5 respectively , such that if we subtract 4 from x and 10 from y their ratio becomes 2/3Read More

28/01/2017