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Nervous System Notes | Coordination and Coordination Notes 1/5

Cheem Words You got to Learn  Brain  Forebrain  Cerebrum, thalamus, hypothalamus  Hindbrain  Cerebellum, medulla oblongata  Spinal cord Neurons Dendrite, dendron, axon, myelin sheath, node of ranvier, cell body, motor end plate, dendrite at sensory organ…


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Nervous System Notes | Coordination and Coordination Notes 2

Brain Forebrain vs Midbrain vs Hindbrain Forebrain (can still SURVIVE even if damaged) Cerebrum Control personality, speech and muscle movement Deals with language Responsible for hearing and smell Decipher visual info Thalamus Sorts data Suppress…


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Quadratic Challenging Questions 3/3

Find the range of values of m for which the line x+2y=m meets the curve x(x+y)+8=0. State the values of m for which the line is a tangent to the curve. x(x+y)+8=0 –> y=-8/x-x –equation…


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Quadratic Challenging Questions 2/3

Show that x2-2ax+a2+5>0 for all real values of a. Hence, or otherwise, solve the inequality (3×2+2x-1)(x2-2ax+a2+5)>0. Show that the graph is always positive (condition 1) and not touching the x axis (condition 2). graph>0 means…


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Quadratic Challenging Questions 1/3

Prove that 3×2 = 2k-(2k-3)x has real roots for all real values of k. let f(x) = 3×2+(2k-3)x-2k Always arrange equation into ax2+bx+c format b2-4ac = (2k-3)2 – 4(3)(-2k) = 4k2+9-12k+24k = 4k2+9+12k = (2k+3)(2k+3)…


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Polynomial | Remainder Theorem | Factor Theorem 3/3

C. SOLUTION OF EQUATIONS Question: Solve 3×3 – 10×2 + 9x – 2 = 0 When you spot the keywords – “Solve” and– equation = 0 – “Find the roots of equation” in your exam question, it means you’ll have to: Find the factors of an equation f(x) (usually…