4. If x = 1 and y = 2, find the value of 3x + 4y.
5. Solve 5= z + 2.
6. The three angles of a quadrilateral are 450
, 750
and 1400
. Find the fourth angle.
7. Construct an angle of 300
using ruler and compasses.
8. For the algebraic expression 3x2
+ 5xy –7y2
+ 1, answer the following
i) What is the number of terms in the expression?
ii) Write the constant term.
9. Write the following statement in mathematical form
“The product of 11 and p”.
10. Write the ratio 112 : 48 in the simplest form .
11. Simplify 2.7 + 5.12 – 3.95
12. Find the coefficient of b2
in each of the following monomials
i) 6b2
ii) -ab2
only answer no solution its urgent plz fast
Answers
Answered by
2
Answer:
4) 3×1+4×2 = 3+8 = 11
5)5= z+2
5-2 = z
3 = z
6)45+75+140+x = 360
260 +x = 360
x = 100
value of forth angle = 100
9) 11×p
10) 114÷16 = 7
48÷16 = 3
7:3
11) 7.82-3.95
= 3.87
12)
I) 6b^ 2 = cofficient of b^2 = 6
ii) -ab^2 = cofficient of b^2 = -a
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