Algebra Test - ...

In the expression $$-36y$$ the variable part is

What is the method of finding a solution by trying out various values for the variable called?

Solve the equation $$x-10 = 5 $$ using trial and error method.

Evaluate using trial and error method:
$$2(x+5) = 10 $$

What value of $$x$$ makes $$4x-3 = 17$$ a true statement.

Choose the value of $$x$$ that satisfies the equation $$ 6x = 12$$.

Use trial amd error method, find the value of $$t$$ if $$\dfrac{t}{4} = 4$$.

If the perimeter of rectangle is given by $$2(a+b)$$, where $$a$$ and $$b$$ denotes the length and breadth of the rectangle respectively.. The variable used here are ____ and ____.

If $$a$$ represent the side of a square, then perimeter of the square is ____.

If $$\dfrac{x}{2} = \dfrac{3}{2}$$, what is the value of $$x$$? ( using trail and error method)