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Gr 9 MATH: Term Test 4

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78 Questions

What is the formula for the surface area of a sphere?

4πr^2

What is the formula for the volume of a cylinder?

πr^2 h

What is the formula for the surface area of a rectangular prism?

2lw + 2lh + 2wh

What is the formula for the volume of a cube?

s^3

What is the formula for the surface area of a cone?

πr(l + r)

What is the formula for the volume of a rectangular pyramid?

1/3 lwh

What is the formula for the surface area of a triangular prism?

bh + 2ls + lb

What is the formula for the area of a circle?

πr^2

What is the definition of a translation in transformation geometry?

A transformation that moves every point of a shape the same distance in the same direction.

What is the notation for a translation in transformation geometry?

(x, y) → (x + a, y + b)

What is the key element of a rotation in transformation geometry?

All of the above

What is the formula for a 90° counterclockwise rotation about the origin in transformation geometry?

(x, y) → (-y, x)

What is the definition of a reflection in transformation geometry?

A transformation that flips a shape over a line.

What is the formula for a reflection over the x-axis in transformation geometry?

(x, y) → (x, -y)

What is the key element of a dilation in transformation geometry?

Both A and B

What is the formula for a dilation from the origin with a scale factor of k in transformation geometry?

(x, y) → (kx, ky)

What is the formula for the perimeter of a rectangle?

P = 2(l + w)

What happens to the perimeter of a shape when you double one of its dimensions?

The perimeter is doubled

What is the formula for the area of a triangle?

A = 1/2 * base * height

What is the effect of doubling both dimensions of a shape on its area?

The area is quadrupled

What is the formula for the area of a circle?

A = πr^2

What happens to the area of a shape when you double one of its dimensions?

The area is doubled

What is the formula for the circumference of a circle?

C = 2πr

What is the formula for the area of a parallelogram?

A = base * height

What is the formula for the perimeter of a square?

P = 4s

What is the formula for the area of a kite?

A = 1/2 * d1 * d2

What is the surface area of a cylinder with radius 4 cm and height 10 cm?

160π cm²

What is the volume of a triangular prism with base length 6 cm, height 8 cm, and length 10 cm?

180 cm³

What is the surface area of a rectangular pyramid with length 8 cm, width 6 cm, and height 10 cm?

168 cm²

What is the volume of a sphere with radius 6 cm?

324π cm³

What is the surface area of a cone with radius 4 cm and height 12 cm?

96π cm²

What is the volume of a cube with side length 8 cm?

256 cm³

What is the surface area of a rectangular prism with length 10 cm, width 8 cm, and height 6 cm?

188 cm²

What is the volume of a cylinder with radius 3 cm and height 15 cm?

165π cm³

If (x, y) is rotated 90° counterclockwise about the origin, what is the resulting coordinate?

(-y, x)

What is the formula for the perimeter of a trapezium?

P = a + b + c + d

What is the effect of doubling both dimensions of a shape on its perimeter?

The perimeter is doubled.

What is the formula for the area of a rhombus?

A = 1/2 × d_1 × d_2

If (x, y) is reflected over the line y = x, what is the resulting coordinate?

(y, x)

What is the formula for the area of a kite?

A = 1/2 × d_1 × d_2

What is the effect of doubling one dimension of a shape on its area?

The area is doubled.

What is the formula for the perimeter of a parallelogram?

P = 2(a + b)

What is the formula for the area of a trapezium?

A = 1/2 × (side_1 + side_2) × height

What is the effect of doubling both dimensions of a shape on its area?

The area is quadrupled.

What is the result of translating a point (x, y) by a vector (-3, 2)?

(x - 3, y + 2)

What is the effect of a 180° rotation about the origin on a point (x, y)?

(x, y) → (-x, -y)

What is the result of reflecting a point (x, y) over the line y = x?

(x, y) → (y, x)

What is the effect of a dilation with a scale factor of 2 from the origin on a point (x, y)?

(x, y) → (2x, 2y)

What is the result of translating a point (x, y) by a vector (4, -2) and then rotating it 90° counterclockwise about the origin?

(x + 4, y - 2) → (-y + 4, x - 2)

What is the result of reflecting a point (x, y) over the x-axis and then translating it by a vector (2, 3)?

(x, y) → (x, -y) → (x + 2, y + 3)

What is the result of rotating a point (x, y) 270° counterclockwise about the origin and then dilating it by a scale factor of 3 from the origin?

(x, y) → (y, -x) → (3y, -3x)

What is the result of reflecting a point (x, y) over the line y = x and then rotating it 90° counterclockwise about the origin?

(x, y) → (y, x) → (-x, y)

What is the result of rotating a point (x, y) by 90° counterclockwise about the origin?

(-y, x)

What is the formula for the area of a parallelogram?

base × height

What happens to the perimeter of a shape when you double one of its dimensions?

It doubles

What is the formula for the perimeter of a trapezium?

side_1 + side_2 + side_3 + side_4

What is the result of reflecting a point (x, y) over the x-axis?

(x, -y)

What is the formula for the area of a kite?

(1/2) × d_1 × d_2

What is the effect of doubling both dimensions of a shape on its area?

It quadruples

What is the formula for the perimeter of a rectangle?

2 × (l + w)

What is the result of dilating a point (x, y) from the origin with a scale factor of 2?

(2x, 2y)

What is the formula for the circumference of a circle?

2 × π × r

What is the surface area of a cube with side length 5 cm?

150 cm²

What is the volume of a cone with radius 3 cm and height 6 cm?

36π cm³

What is the surface area of a sphere with radius 4 cm?

128π cm²

What is the volume of a rectangular prism with length 6 cm, width 4 cm, and height 3 cm?

72 cm³

What is the surface area of a triangular prism with base length 5 cm, height 6 cm, and length 7 cm?

142 cm²

What is the volume of a cylinder with radius 2 cm and height 8 cm?

32π cm³

What is the surface area of a rectangular pyramid with length 6 cm, width 4 cm, and height 5 cm?

104 cm²

What is the volume of a cone with radius 2 cm and height 4 cm?

12π cm³

What is the effect of a translation on a shape?

It moves every point of the shape the same distance in the same direction.

What is the formula for a 270° counterclockwise rotation about the origin?

(x, y) -> (y, -x)

What is the line of reflection for the formula (x, y) -> (y, x)?

y = x

What is the effect of a dilation with a scale factor of k on a shape?

It changes the size of the shape but not its shape.

What is the result of translating a point (x, y) by a vector (a, b)?

(x, y) -> (x + a, y + b)

What is the center of rotation for a rotation?

The fixed point around which the shape is turned.

What is the formula for a reflection over the y-axis?

(x, y) -> (-x, y)

What is the result of rotating a point (x, y) 90° counterclockwise about the origin and then translating it by a vector (2, 3)?

(x, y) -> (-y + 2, x + 3)

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