Tan Kee Lin's answer to Victoria's Primary 1 Maths question.
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Since this is primary 1 math, the student must know how to multiply, add and subtract. Look at the graphs. x values range from -4 to 4 but not all values are covered. So we choose x values from -2 to 2. Just put in the values. Then, we look at the points for the equation. We only need to look at the first 3 points. We look at the graphs one by one. We find that they fit Graph D. We repeat the process for equations 6 and 7. We find that they fit the graphs B and C respectively.
Date Posted:
6 years ago
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