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A LEVEL MATHS AQA HIGRADES
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A LEVEL MATHS AQA HIGRADES
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A LEVEL MATHS AQA HIGRADESif Ntwo Nlines Nare Nperpendicular, Nwhat Nmust Ntheir Ngradients Nequal Nto Nwhen Nmultiplied
Ntogether? N- N Ncorrect Nanswer--1
What Nis Nthe Nequation Nto Ncalculate Nthe Ngradient Nof Na Nline? N- N Ncorrect Nanswer-y₂-
y₁/x₂-x₁
What Nis Nthe Nequation Nto Ncalculate Nthe Nlength Nof Na Nline? N- N Ncorrect Nanswer-
√(y₂−y₁)^2 N+ N(x₂-x₁)^2
What Nis Nthe Nequation Nto Ncalculate Nthe Nmidpoint Nof Na Nline? N- N Ncorrect Nanswer-(x₂+x₁)
Nover N2 N, N(y₂+y₁) Nover N2
What Nis Nthe Nequation Nof Na Ncircle? N- N Ncorrect Nanswer-x²+y²=r²
How Ndo Nyou Nfind Nthe Nmidpoint Nof Na Ncircle Nfrom Nthe Nequation? N- N Ncorrect Nanswer-(x-
a)²+(y-b)²=r²
If Na Nfactor Nof Na Nline Nequation Nis N(x-2)², Nor Nthe Nline Nequation Nis Njust Ny=(x-2)², Nhow
Nmany Nsolutions Ndoes N(x-2)² Ngive Nand Nwhat Ndoes Nthis Nlook Nlike Non Na Ngraph. N- N
Ncorrect Nanswer-This Ngives Njust None Nsolution, Nthat Nx=2. NThis Nmeans Nthat Nthe Nline
Njust Ntouches Nthe Nx Naxis Nat N(2,0).
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