1a
Monday, 28 April 2025
1:00 AM
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Edexcel A Level Workbook Answers for 1a
Typology: Exercises
2024/2025
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1a
Monday, 28 April 2025 1:00 AM
la Monday, 28 April 2025 1:00 AM lo Y = 12+ O4X logy = 12404 log x - in the form y = ae To ey iat | Ot i Flot x eth y= 10x x°* = = OF La Y = O4+ 16x logy = O4 + bx in te form y= Ket 2b logy = O.4F 1 bw es ai y= 10°" 10'** ye 10°* x(10"*)* kK = 10° b = ot 3 10.04 = mlogx + 1F2 104 = 23m +19 m = -2.73413 2-234 ha TI 2 3 3 7 8 9 P | 72 | 86 | 125 | 179 | 214 | 257 186 1.93 2.10 2.25 233 24) os. Ab 4d Ae sa Sb Strong positive correlation Tk Cam be modelled by P=ab’ ad P had a 241= BG 4" a=2 = To Mm = 0.0786 © = 5 Lestimaked prom phy P =ab™ loge = logabt loge = loga + log” Ys ¢ # Tlogb X = logbx + ¢ Y = 0.096x + Incveasing the time (TY covveapords to am inweart t= a +bn & am equation gy a Straight line 4 - 0301+ 0.6% log.b=-0-301+ 0.b109,n tle + ‘aie 10 26"o" t 210°" x n°? a = 0° K= 0.6 4 = 18Ix - O4F logo = 1.31 ogee = 0.41 reo Ice “ aon r= x 10 rec™ x02" r =0.38%% ¢' 4= 0-0023 + 1.8% Iogiom = 0.0023+ 1.8 logih m = 10° x 10! m= 10° = 18 0.09 + 0.05% = 0.094+0.05¢ 0.04 4+0-055 lo 10 °° 0.06 x 10 = 10° x Gor) Seege “co a = 10°" lineav relationship fe T in population and th scatter graph @ not