# Posts In: Grade 9

### 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…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…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)       …Read More

### Algebraic Expressions and Geometry, grade 9, question 1

01/03/2017

(x>0) ;                            …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)…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…Read More

### Thales' , grade 9, Question 1

27/01/2017

Draw a right triangle ABC of hypotenuse BC s.t AB = 5cm and AC = 9cm.  Use Thales to plot…Read More

### Algebraic expressions, grade 9, question 12

27/01/2017

in the given figure: x>0   BCDE is a square of side 2x, BAC is a right triangle at A…Read More

### Real numbers, grade 9, Question 20

27/01/2017

Consider the following: Simplify each of A and B. A B C Find C if the given table is inversely…Read More

### coordinate systems, training question , grade 9

19/12/2016

In an orthonormal system , given the points: A(1,3), B(0,4) and C(-1,3); and the line : (d): y=x+4 Does A…Read More

### real numbers, question 19, grade 9

03/12/2016

19) Given:,     ,   and  a)Calculate each of AB,AC,DB and DC. b) What does (AD) represent to [DC]?Justify.Read More

### proportions, grade 9, question 16

03/12/2016

16) a) Find the dimensions of a rectangle that are proportional to 7 and 5 knowing that the perimeter is…Read More