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12 questions
Find the gradient of the curve with equation
2x2 − 4xy + 3y2 = 3, at the point (2, 1).
2
3
4
5
The equation of a curve is x2y + y2 = 6x
the equation of the tangent to the curve at the point with coordinates (1, 2)
3x – 5y + 8 = 0
2x – 5y + 8 = 0
2x – 5y - 8 = 0
3x – 5y - 8 = 0
A solid rectangular block has a square base of side x cm. The height of the block is h cm and the total surface area of the block is 96 cm2. Find the stationary value of V
V = 84
V = 74
V = 64
V = 54
The diagram shows the curve y = (x − 2)2 and the line y + 2x = 7, which intersect at points A and B. Find the area of the shaded region.
the equation of the curve
and P(2, 2) is a point on the curve. The equation of the tangent to the curve at P and the angle that this tangent makes with the x-axis respectively
y − 2 = −3(x − 2) and
y − 2 = 3(x − 2) and
y − 2 = −3(x + 2) and
y + 2 = −3(x − 2) and
The diagram shows part of the curve
The curve has a maximum point at M and meets the x-axis at O and A. Find the volume obtained when the shaded region is rotated through 360o about the x-axis, givingyour answer in terms of π
138.5π
137.5π
136.5π
135.5π
The equation of a curve is
A point is moving along the curve in such a way that the x-coordinate is increasing at a constant rate of 0.12 units per second. Find the rate of change of the y-coordinate when x = 4
0.105
0.125
0.345
0.546
The diagram shows part of the curve y = −x2 + 8x − 10 which passes through the points A and B. The curve has a maximum point at A and the gradient of the line BA is 2. evaluate the area of the shaded region.
A curve is such that and (2, 9) is a point on the curve. Find the equation of the curve
The straight line y = mx + 14 is a tangent to the curve
at the point P. Find the value of the constant m and the coordinates of P
m = 3 and y = - 8
m = −3 and y = 8
m = 8 and y = - 3
m = −8 and y = 3
The diagram shows the curve
which intersects the x-axis at A and the y-axis at B. The normal to the curve at B meets the x-axis at C. the area of the shaded region