Скачать или смотреть IB Math AI SL - May 2025 - Paper 1 - TZ 1

0:00 - Intro

0:16 - 1.a) Pearson's correlation coefficient, r (SL4.4)
2:30 - 1.b.i) Linear regression equation (SL4.4)
4:56 - 1.b.ii) Interpreting regression parameters (SL4.4)
6:55 - 1.c) Using regression for prediction (SL4.4)

8:28 - 2.a) Reading two-way tables (SL4.11)
9:58 - 2.b) Calculating chi-squared test statistics (SL4.11)
14:35 - 2.c) Interpreting chi-squared test results (SL4.11)

18:17 - 3.a.i) Systems of linear equations - writing equation for quantities (SL1.8)
21:39 - 3.a.ii) Systems of linear equations - writing equation for money (SL1.8)
23:30 - 3.b) Solving systems of linear equations using technology (SL1.8)

26:51 - 4.a) Gradient calculations (SL2.1)
31:27 - 4.b) Direct/inverse variation (SL2.5)

41:41 - 5.a) Axis of symmetry of quadratic (SL2.4)
46:04 - 5.b) Finding parameters in quadratic models (SL2.5)
50:15 - 5.c) Zeros of quadratic functions (SL2.4)
54:01 - 5.d) Interpreting models in context (SL2.6)

55:20 - 6.a) Area of a sector (SL3.4)
1:04:00 - 6.b) Arc length calculations (SL3.4)

1:11:15 - 7.a) Binomial distribution criteria (SL4.8)
1:13:35 - 7.b.i) Binomial probability - exact values (SL4.8)
1:16:38 - 7.b.ii) Binomial probability - at least (SL4.8)

1:17:47 - 8.a) Finding derivatives with negative exponents (SL5.3)
1:24:51 - 8.b) Determining increasing functions (SL5.2)

1:30:28 - 9.a) Finding zeros of polynomial functions (SL1.8)
1:33:53 - 9.b) Area under curves using technology (SL5.5)

1:36:03 - 10.a) Piecewise linear models - simple case (SL2.5)
1:37:56 - 10.b) Piecewise linear models - compound pricing (SL2.5)
1:42:55 - 10.c.i) Applications of piecewise models - calculations (SL2.5)
1:44:34 - 10.c.ii) Finding parameters from context (SL2.5)

1:47:11 - 11.a) Natural logarithm calculations (SL1.5)
1:51:14 - 11.b) Percentage errors and bounds (SL1.6)

2:00:01 - 12.a) Finding critical points/optimization (SL5.6)
2:06:39 - 12.b) Using integration for area/volume calculations (SL5.5)

2:19:26 - 13.a.i) Angle calculations using bearings (SL3.3)
2:23:16 - 13.a.ii) Distance using cosine rule (SL3.2)
2:27:55 - 13.a.iii) Bearing calculations using sine rule (SL3.2/SL3.3)
2:33:40 - 13.b) Translation/parallel displacement (SL3.1)