29/11/2016

### Real numbers, grade 9, question 17

29/11/2016

17) Consider a triangle ABC such that: AB =  AC=  BC= Simplify each of AB,AC, and BC. Deduce the nature…Read More

### proportions, grade 9, question 15

29/11/2016

15) a store announced a 10% VAT on all items, Designate  by x the initial price of an item and…Read More

### proportion, grade 9 , question 14

29/11/2016

14) school A contains 400 students, and school B contains 300 students; the percentage of girls in school A is…Read More

### proportions, grade 9, question 13

29/11/2016

13) In a school, 70% of the students are boys. Denote by x the total number of students and by…Read More

### algebraic expressions, question 11, grade 9

21/10/2016

11) Given: and  Write A(x) as a product of three factors. Verify that B(x) = 2(x-1)(x+2). let M(x) =  i)…Read More

21/10/2016

16) Write each of A and B in the simplest form where:      and      2. Carry out…Read More

### trigonometry, question 2, grade 9 and 10

04/09/2016

( x is an acute angle) Verify that BC =  Show that AH =  Suppose that sinx =  a) Calculate…Read More

### trigonometry, question 1, grade 9

04/09/2016

Choose the correct answer: 1) If  where x is an acute angle, then x = a)         …Read More

### equations, question 4, grade 9

04/09/2016

4) With all conditions preserved, Given: AB = 2y+1, AC = 3x+1, BE= x+1, EC = 2y+1. Calculate x and…Read More

### algebraic expressions, question 10, grade 9

04/09/2016

10) Given A(x) =   and  B(x) =  Verify that A(x)=(x-1)(x-2) and deduce its roots. Solve A(x) < x(x-3). i) Show…Read More

### real numbers, question 15, grade 9

04/09/2016

15) Choose the correct answer: is strictly positive if and only if: a) x > 3        …Read More