Mathematics Quiz

Make s the subject of the formula v²=u²+2as

• (v-u)(v+u)/2a

• (u-v)(u+v)/2a

• -(v-u)(v+u)/2a

• -(u-v)²/2a

Tags

CCSS.HSA.CED.A.4

1+1/4+1/9+1/16+...

• π/6

• π^2/6

• π/3

• π^2/3

A right-angled triangle with side lengths 5,12 and 13. Find the area of the triangle.

• 60

• 30

• 65

• 32.5

i ^1/2 = ?

• 1/√(2)+i/√(2)

• -1/√(2)-i/√(2)

• 1/√(2)+i/√(2) or

  -1/√(2)-i/√(2)

• 1/√(2)-i/√(2) or

  -1/√(2)+i/√(2)

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

1/2²-2/2³+3/2⁴-...+2020/2²⁰²¹ = ?

• 1/9-3031/(9×2²⁰²⁰)

• 0

• 1

• 1/9+3031/(9×2²⁰²⁰)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

(x²+1)(x³+2x-3)=

• x⁶+3x³-3x²+2x-3

• x⁶+3x³-x²-3

• x⁵+3x³-3x²+2x-3

• x⁵+3x³-x²-3

Tags

CCSS.HSA.APR.A.1

Given a sequence 1,1,2,3,x,y,13,21 . Find the value of x-y

• -3

• -10

• 3

• 10

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Factorize x²+2xy+y²-z²

• (x+y-z)²

• (x+y-z)(x-y+z)

• (x+y-z)(x-y-z)

• (x+y-z)(x+y+z)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Find the general expression of 1+2+3+...+n+n+1 in terms of n

• n(n+1)/2

• (n+1)(n+2)/2

• n(n+1)(2n+1)/6

• (n+1)(n+2)(2n+3)/6

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

1+tan²x =

• sin²x

• cos²x

• 1/sin²x

• 1/cos²x

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8