Mathematics for Class 7 118 TEST PAPER-7 A. 1. Evaluate x + y +z? – 3xyz when x = -2, y = -1 and 2. Write the coefficien

Question

Mathematics for Class 7
118
TEST PAPER-7
A. 1. Evaluate x + y +z? – 3xyz when x = -2, y = -1 and
2. Write the coefficient of x in each of the following:
3
(i) -5xy
(ii) 2xyz
(iii)
2
3. Subtract x? – 2xy + 5y? – 4 from 4 xy -5×2 – y2 +6.
4. How much less is x? – 2xy + 3y? than 2×2 – 3y² + x
-25
5. Find the product abc3
a’b2 x (.
5
12​

in progress 0
Josie 1 month 2021-09-22T20:52:43+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-09-22T20:53:43+00:00

    Answer:

    abcdefghijklmnopqrstuvwxyz

    Step-by-step explanation:

    i love science

    Iron( Fe ) + oxygen ( O2 )+ ( from the air ) +

    water (H2O) = rusting

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )