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

1)Solve the system : 2) Find the dimensions of a rectangular mat knowing that its perimeter is 240 cm and…Read More

1)Solve the system : 2) Find the dimensions of a rectangular mat knowing that its perimeter is 240 cm and…Read More

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

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

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

5) Find two numbers x and y proportional to 3 and 5 respectively , such that if we subtract 4…Read More

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

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

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

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

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

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