77434
Description
Flashcards by emma.martin18, updated more than 1 year ago
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Created by emma.martin18
almost 11 years ago
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| Question | Answer |
| 2.5,4.5,6.5,8.5 nth term=? | nth term=2n+½ |
| -7, -4, -1, 2, 5 nth term=? | nth term= 3n-10 |
| rearrange to get x by itself... x+b=e | x=e-b |
| multiply out... 2(x+1)+3(x+3) | 5x+11 |
| multiply out... 2(4x+3)+4(3x+4) | 20x+22 |
| rearrange to make x the subject... ax=b | x=b/a |
| multiply out... 3(4x+5) | 12x+15 |
| multiply out... 5(6x-1) | 30x-5 |
| rearrange to make x the subject... ux-h=m | x=m-h/u |
| multiply out... 4x+5(2x+1) | 14x+5 |
| rearrange to make x the subject... xa+k=m² | x=m²-k/a |
| multiply out... 8(1+2x)-5 | 16x+3 |
| rearrange to make x the subject... d(x+e)=f | x=f-de/d |
| rearrange to make x the subject... d(x+e)=f | x=f/d-e |
| rearrange to me x the subject... m(x+m)=n² | x=n²/m-m |
| rearrange to make x the subject... m(b+x)=e | x=e/m-b |
| rearrange to make x the subject... x/p=a | x=ap |
| multiply out... 4(3x-2)-10x | 2x-8 |
| rearrange to make x the subject... x/a=(b+c) | x=ab+ac |
| solve... 10n=3n+21 | n=3 |
| rearrange to make x the subject... x/h=c/d | x=ch/d |
| solve... 1+3n=n+2 | n=0.5 |
| solve... 5n-4=n | n=1 |
| p=6q+5 Find p when q=13 | p=83 |
| solve... 3(x+2)=2(x+5) | x=4 |
| solve... 5(x-2)=3(x+2) | x=8 |
| 180(n-2) n=6 | 720 |
| solve... 6x-10=2(x+7) | x=6 |
| solve... 4(2x-1)=3(x+1)-2 | x=1 |
| solve... 6+3(x+2)=2(x+5)+4 | x=2 |
| p=100+2x x=3 | 106 |
| solve... 3x+2(x+1)=3x+12 | x=5 |
| solve... 4x-2(x+4)=x+1 | x=9 |
| p=100+2x x=1/2 | p=101 |
| form and solve this equation... think of a number, multiply by 3, add 1, the answer is 19. | form... 3x+1=19 solve... x=6 |
| n(n+1)/2 n=99 | 4950 |
| z=3(2x+5) x=2 | z=27 |
| t=5a+2n a=3 n=4 | t=23 |
| form and solve this equation... think of a number, add 5, multiply by 4, the answer is 58. | form... 4(x+5)=58 solve... x=9½ |
| the length of a rectangle is double the width... the perimeter of the rectangle =30cm... find the width | x=5 |
| 2(n²)+2n n=2 | 12 |
| v=3r²h r=5 h=4 | v=300 |
| c=mx+7 m=5 x=1 | c=2 |
| t=a²+3a-5 a=10 | t=125 |
| t=a²+3a-5 a=1 | t=-1 |
| x+3=18 | |
| simplify 3b-3a-5c+4b | 2a+7b-5c |
| simplify 5x+3y-6x+4y+3z | -x+7y+3z |
| factorise... 6x²+9x | 3x(2x+3) |
| factorise... 10x⁵-15x³ | 5x³(2x²-3) |
| expand... (x+2)(x+7) | x²+14+9x |
| expand... (2x-4)² | 4x²-16x+16 |
| expand... (x-3)(x+3) | x²-9 |
| 3, 7, 11, 15 nth term=? | nth term=4n-1 |
| expand... (3x+4)(x-2) | 3x²-2x-8 |
| (x+4)² | x²+8x+16 |
| (2x+1)² | 4x²+4x+1 |
| expand... (x+2)²+(2x+1)² | 5x²+8x+5 |
| expand... (x-3)²-(x+1)² | -8x-8 |
| x=3y+2 Find x when y=4 | x=14 |
| a=4b=1 Find a when b=5 | a=21 |
| c=d/5+3 Find c when d=15 | c=6 |
| e=f/2-4 Find e when f=8 | e=0 |
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