Quiz about CW 1 ADD MATH

Question 1

Choose the correct answer from the given four options:
The 10th term of the AP: 5, 8, 11, 14, ... is

Accepted Answer

32

Answer

35

Answer

38

Answer

25

Question 2

Which term of the AP: 21, 42, 63, 84,... is 210?

Accepted Answer

10th

Answer

9th

Answer

11th

Answer

12th

Question 3

The sum of 7 terms of the G.P 3, 6, 12, ... is

Accepted Answer

381

Answer

380

Answer

382

Answer

379

Question 4

The nth term of a G.P is 128 and the sum of its n terms is 225. If its common ratio is 2, then its first term is

Accepted Answer

1

Answer

3

Answer

8

Answer

none of these.

Question 5

What is the common ratio for the sequence:
28, 14, 7, 3.5...

Accepted Answer

1/2

Answer

2

Answer

-14

Answer

-7

Question 6

How do you proceed to the next term in this sequence    1, 3 , 9 , 27

Accepted Answer

multiply the preceding term by 3

Answer

add 3 to the preceding term

Question 7

What is the 4^th term....3, 6, 12,...

Accepted Answer

24

Answer

21

Question 8

What is the definition of

Gradient of a Line?

Accepted Answer

It is the measure of steepness of a line.

Answer

It is the measure of degrees of a line.

Answer

It is the measure of length of a line.

Answer

It is the measure of strength of a line.

Question 9

When the line is upward sloping, the gradient is ___________ .

Accepted Answer

Positive

Answer

Negative

Answer

Zero

Answer

Undefined

Question 10

When the line is downward sloping, the gradient is ____________ .

Accepted Answer

Negative

Answer

Positive

Answer

Zero

Answer

Undefined

Question 11

When the line is a horizontal (flat), the gradient is _____________ .

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

Undefined

Question 12

Which line is parallel to x-axis?

Accepted Answer

CD

Answer

AB

Question 13

The equation of a straight line is in the form of _________________ .

Accepted Answer

y = mx + c

Answer

y = x

Answer

y = mx

Answer

y = mx + mc

Question 14

What is the midpoint between (8, -3) and (2, 5)

Accepted Answer

(5, 1)

Answer

(10, 2)

Answer

(-5, -1)

Answer

(3, 4)

Question 15

Point M is the midpoint of segment JK. The coordinate for point M is (1,1) and point K is (8,3). Find the coordinate for point J.

Accepted Answer

J (-6, -1)

Answer

J (6, -1)

Answer

J (-6, 1)

Answer

J (6, 1)

Question 16

Which line has the equation

y = x + 2

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 17

$y=mx+c$
m refers to the

Accepted Answer

gradient

Answer

X-intercept

Answer

coordinate

Answer

y-intercept

Question 18

A vertical line cuts the x-axis at 4, what is the equation of the line

Accepted Answer

<math><semantics><mrow><mi>x</mi><mo>=</mo><mn>4</mn></mrow><annotation encoding="application/x-tex">x=4</annotation></semantics></math>x=4

Answer

<math><semantics><mrow><mi>y</mi><mo>=</mo><mn>4</mn><mi>x</mi></mrow><annotation encoding="application/x-tex">y=4x</annotation></semantics></math>y=4x

Answer

<math><semantics><mrow><mi>y</mi><mo>=</mo><mn>4</mn></mrow><annotation encoding="application/x-tex">y=4</annotation></semantics></math>y=4

Answer

<math><semantics><mrow><mi>y</mi><mo>=</mo><mi>x</mi><mo>+</mo><mn>4</mn></mrow><annotation encoding="application/x-tex">y=x+4</annotation></semantics></math>y=x+4

Question 19

The diagram shows two parallel straight lines drawn on a Cartesian plane. Determine the equation of straight line PQ.

Accepted Answer

<math><semantics><mrow><mn>2</mn><mi>y</mi><mo>=</mo><mn>3</mn><mi>x</mi><mo>+</mo><mn>8</mn></mrow><annotation encoding="application/x-tex">2y=3x+8</annotation></semantics></math>2y=3x+8

Answer

<math><semantics><mrow><mi>y</mi><mo>=</mo><mn>3</mn><mi>x</mi><mo>+</mo><mn>2</mn></mrow><annotation encoding="application/x-tex">y=3x+2</annotation></semantics></math>y=3x+2

Answer

<math><semantics><mrow><mi>y</mi><mo>=</mo><mn>3</mn><mi>x</mi><mo>+</mo><mn>4</mn></mrow><annotation encoding="application/x-tex">y=3x+4</annotation></semantics></math>y=3x+4

Answer

<math><semantics><mrow><mn>2</mn><mi>y</mi><mo>=</mo><mn>3</mn><mi>x</mi><mo>+</mo><mn>4</mn></mrow><annotation encoding="application/x-tex">2y=3x+4</annotation></semantics></math>2y=3x+4

Question 20

Which of these lines has a negative gradient?

Accepted Answer

The green one

Answer

The orange one

Answer

The red one

Answer

The blue one

Question 21

What is the gradient of this line?

Accepted Answer

0

Answer

Undefined

Answer

1

Answer

-1

Question 22

Which of these lines is
y = 5?

Accepted Answer

The blue one

Answer

The orange one

Answer

The red one

Answer

The green one

Question 23

What is the standard equation of a circle?

Accepted Answer

(x-h)² + (y-k)² = r²

Answer

(x-k)² + (y-h)² = r²

Answer

(x+h)² + (y+k)² = r²

Answer

(k-x)² + (h-y)² = r²

Question 24

What does (h,k) standard for in the standard circle equation?

Accepted Answer

(h,k) is the center of the circle

Answer

(h,k) is a point on the circle.

Answer

(h,k) is a point that we guess and find

Answer

(h,k) is the distance of the circle

Question 25

What does "h" stand for in (h,k)?

Accepted Answer

h is the x in the coordinate point

Answer

h is the radius of the circle

Answer

h is the distance of the circle

Answer

h is the y in the coordinate point

Question 26

What is the center and the radius of the circle with equation, (x-4)² + (y-2)² = 25

Accepted Answer

Center is (4, 2) and radius is 5

Answer

Center is (5,2) and radius is 4.

Answer

Center is (2,5) and radius is 4

Answer

Center is (2,4) and radius is 5

Question 27

What is the circle equation, given the center is (4,1) and the radius is 3?

Accepted Answer

(x-4)² + (y-1)² = 9

Answer

(x+4)² + (y+1)² = 9

Answer

(x+1)² + (y+4)² = 9

Answer

(x-1)² + (y-4)² = 9

Question 28

What is the equation of a circle given the center is (-5,7) with a radius of 5?

Accepted Answer

(x+5)² + (y-7)² = 25

Answer

(x-5)² + (y+7)² = 25

Answer

(x-5)² + (y-7)² = 25

Answer

(x+5)² + (y+7)² = 25

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