algebra scale drawings

Find at least 3 sets of values for the variables satisfying the equation. 2x+y=5 Express y in terms of x. y=5-2x Select three values of x, find corresponding values of y. x=0, y=5-(2x0)=5 x=1, y=5-(2x1)=3 x=-1, y=5-(-2)=7 Draw the x and y - axes. Choose a suitable scale so ..

Draw the graph of equation x = 1 which is a lin..

Question: Draw the graph of y=3. Answer: The graph of y = 3 is a line parallel to the x-axis. ..

Question: Draw the graph of x+4=0. Answer: ..

2x+3=4 Coordinates The co-ordinate of the foot of the perpendicular draw on the x-axis from the given point P is x-coordinate of the point P ('a'). Similarly 'b' is the y-coordinate of the point P. The coordinate of P are (a, b). The ordered pair of the coordinates (a, b)..

Consider a circle with centre O and radius r. Join AB. Let the tangent at B meet OA produced at P. Draw BN perpendicular to OA. From ONB, BN = r sin q From OBP, BP = r tan q From the figure, we have Area of triangle OAB < Area of sector OAB < Area of triangle OBP ..

The roster form is S = {(-2, 5), (-1, -1), (0, -3), (1, -1), (2, 5)}. Yes, S is a function. It is many-one and into function. Domain = {-2, -1, 0, 1, 2} = A ; Range = {-3, -1, 5}; Co-Domain = {-3, -1, 1, 5} = B. (i) Find the domain and the range of the function. (ii) Draw the Cartesian gr..

The figure shows the picture of a drawing room along with the scale. Using the scales, estimate the actual length by which the drawing room is longer than kitchen. => 6 feet or 9 feet or 3 feet or 5 feet..

A drawing of a ship has a scale of 1 inch equal to 5 feet. The actual ship is 18 feet long. How long is the ship in the scale drawing? => 4 in. or 3.6 in. or 23 in. or 90 in...

A drawing of a table has a scale of 1 inch equal to 3 feet. Find the actual length of the table, if the length of the table in the scale drawing is 4 inches. => 3 4 feet or 18 feet or 12 feet or 4 feet..