Question

maths, please help with these problems

Answer 1

Answer:

Step-by-step explanation:

1). b

2). there is no right answer there.

3). a

4). d

5). a

6). a

7). b

8). d

9). b

10). c

Answer 2

Given :   y = ax  + 3   (4 , 19)   lies on this  , 3x + y  = 10  (a , 4 ) lies on this

To find : Values of  a

Solution:

y = ax  + 3

4 , 19  lies on this

=> 19 = 4a + 3

=> 4a = 16

=> a  = 4

option b

3x + y  = 10

a , 4 lies on this

=> 3a  + 4 = 10

=> 3a = 6

=> a  = 2

no correct option given

2x  - y  = 4

cut x axis => y = 0

=>2x = 4

=> x  = 2

(2 , 0)  option a

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