Quiz: Math Mastery Quiz


Math Mastery QuizOnline version A quick math challenge. by Zyel Quiles 1 What is the derivative of x^2 with respect to x? a x^2 b 2x c x d 2 2 Solve for x: 2x + 3 = 7. What is x? a 1 b 5 c -2 d 2 3 What is the indefinite integral of 2x dx? a 2x + C b 2x^2 + C c x^2 + C d x + C 4 Area of a circle with radius r is what? a π r^2 b 2πr c π r^3 d π r 5 If a=3, b=4 in a^2 + b^2 = c^2, what is c? a 7 b 5 c 3 d √7 6 If ln x = 0, what is x? a e b 1 c 0 d -1 7 Quadratic formula for ax^2+bx+c=0 is x = ? a (-b)/(2a) ± sqrt(b^2-4ac) b (-b ± sqrt(b^2-4ac))/(2a) c (-b ± sqrt(b^2+4ac))/(2a) d (-b ± sqrt(-b^2-4ac))/(2a) 8 Compute: 12/3 + 2 = ? a 4 b 5 c 8 d 6 9 If 5x - 7 = 2x + 9, what is x? a 4 b 3 c 7/2 d 16/3 10 Probability of rolling an even number on a fair die is? a 2/3 b 3/4 c 1/3 d 1/2 Feedback 1 Derivative of x^n = n x^(n-1); here n=2 gives 2x. 2 Subtract 3 from both sides, then divide by 2: x = (7-3)/2 = 2. 3 Integrate 2x to get x^2 plus constant of integration. 4 Area = π times radius squared, not multiplied by 3 or extra r. 5 3-4-5 triangle; c^2 = 9+16 =25, so c=5. 6 Natural log is zero at x = e^0 = 1. 7 Standard formula uses discriminant b^2-4ac. 8 Follow order of operations: (12/3) + 2 = 4 + 2 = 6. 9 Subtract 2x both sides: 3x -7 = 9; add 7: 3x = 16; x = 16/3. 10 Even faces are 2,4,6; 3 outcomes out of 6 -> 1/2.

1

What is the derivative of x^2 with respect to x?

a

x^2

b

2x

c

x

d

2

Solve for x: 2x + 3 = 7. What is x?

a

1

b

5

c

-2

d

2

3

What is the indefinite integral of 2x dx?

a

2x + C

b

2x^2 + C

c

x^2 + C

d

x + C

4

Area of a circle with radius r is what?

a

π r^2

b

2πr

c

π r^3

d

π r

5

If a=3, b=4 in a^2 + b^2 = c^2, what is c?

a

7

b

5

c

3

d

√7

6

If ln x = 0, what is x?

a

e

b

1

c

0

d

-1

7

Quadratic formula for ax^2+bx+c=0 is x = ?

a

(-b)/(2a) ± sqrt(b^2-4ac)

b

(-b ± sqrt(b^2-4ac))/(2a)

c

(-b ± sqrt(b^2+4ac))/(2a)

d

(-b ± sqrt(-b^2-4ac))/(2a)

8

Compute: 12/3 + 2 = ?

a

4

b

5

c

8

d

6

9

If 5x - 7 = 2x + 9, what is x?

a

4

b

3

c

7/2

d

16/3

10

Probability of rolling an even number on a fair die is?

a

2/3

b

3/4

c

1/3

d

1/2

Feedback

1

Derivative of x^n = n x^(n-1); here n=2 gives 2x.

2

Subtract 3 from both sides, then divide by 2: x = (7-3)/2 = 2.

3

Integrate 2x to get x^2 plus constant of integration.

4

Area = π times radius squared, not multiplied by 3 or extra r.

5

3-4-5 triangle; c^2 = 9+16 =25, so c=5.

6

Natural log is zero at x = e^0 = 1.

7

Standard formula uses discriminant b^2-4ac.

8

Follow order of operations: (12/3) + 2 = 4 + 2 = 6.

9

Subtract 2x both sides: 3x -7 = 9; add 7: 3x = 16; x = 16/3.

10

Even faces are 2,4,6; 3 outcomes out of 6 -> 1/2.

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Math Mastery Quiz

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Math Mastery QuizOnline version

by Zyel Quiles

What is the derivative of x^2 with respect to x?

Solve for x: 2x + 3 = 7. What is x?

What is the indefinite integral of 2x dx?

Area of a circle with radius r is what?

If a=3, b=4 in a^2 + b^2 = c^2, what is c?

If ln x = 0, what is x?

Quadratic formula for ax^2+bx+c=0 is x = ?

Compute: 12/3 + 2 = ?

If 5x - 7 = 2x + 9, what is x?

Probability of rolling an even number on a fair die is?

Feedback

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