Ordered Pair

Q. How many ordered pairs are possible for the equation $2x+y=10$ for non-negative integers x and y.

Q. Find the linear equation(s) which satisfies/ satisfy the given ordered pair: $(2,5)$

1. $y=2x+1$
2. $y=2x+1$
3. $2x+y=1$
4. $y=x^2+1$

Q.

If x = -5 and y = -7, what is 222 - (x + y)?

1. 234

2. -234

3. 210

4. -210

Q. Choose the correct answer:
is the ordered pair that satisfies the given equation: $\text{3x}-\text{y}=8$

1. $(3,1)$
2. $(3,-1)$
3. $(-4,4)$
4. $(4,-4)$

Q. Let $A=1,2,3,4,5:B=4,5,6,7$, find $A-B$

Q. Three ordered pair of an equation is given as follows: $x$ $y$

1	3
2	12

Find the linear equation.

1. $y=5x+3$
2. $y=5x-3$
3. It cannot be determined as three ordered pairs are required to find the values of three unknowns in $ax+by=c.$

Q. The given tables shows some functions. Match the missing numbers of the function with their correct values.

1. 14
2. 64
3. 260

Q. Choose the correct ordered pair(s) for the expression $y=6x-2.$

1. $(1,4)$
2. $(4,1)$
3. $(0,-2)$
4. $(-2,0)$

Q.

A linear equation in two variables $x$ and $y$ is of the form $ax+by+c=0$, where

1. $a$$\ne$$0$, $b$$\ne$$0$

2. $a$$\ne$$0$, $b$$=$$0$

3. $a$$=$$0$, $b$$\ne$$0$

4. $a=0,c=0$

Q. Which is the best way to solve the given equations?
$y=\frac{2}{3}x+3.5$
$y=-\frac{2}{3}x-2.5$

1. Graphing
2. Substitution
3. Elimination
4. Can't be determined

Q. Let an ordered pair is represented as $(u,v).$ Choose the correct option regarding its representation on coordinate plane.

1. $u$ is the $y-$coordinate, and $v$ is the $x-$coordinate.
2. $u$ is the $x-$coordinate, and $v$ is the $y-$coordinate.
3. Both the above representations can be used.

Q. The given tables shows some functions. Match the missing numbers of the function with their correct values.

1. 64
2. 14
3. 260

Q.

If x = -5 and y = -7, what is 222 - (x + y)?

1. 234

2. -234

3. 210

4. -210

Q. The given diagram shows a relation from A to B. Denoting the elements of A by x and those of B by y, the relation between them is given by .

Q. The given tables shows some functions. Match the missing numbers of the function with their correct values.

1. 14
2. 64
3. 260

Q. When A = 2, B = 4. Also, when A = 8, B = 1. What can be concluded about A and B?

1. They are directly proportional.
2. They are inversely proportional.
3. A + B = Constant
4. There is no relation between A and B.