If the function y = (a + 3) x + a2-9 is a positive proportional function, then a=______ .
∵ function y = (a + 3) x + a2-9 is a positive proportional function, ∵ a2-9 = 0, a + 3 ≠ 0, the solution is: a = 3
RELATED INFORMATIONS
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- 4. 8 m 2 decimeter = () M = () decimeter? 4.2 square meter = () square decimeter
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- 12. What is the square of (one ninth) Such as the title
- 13. How to calculate 1 / 2 square of 9?
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- 15. The square of (- 3) / (- 2 and 1 / 4 × 4 / 9) Don't write the answer directly
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- 17. Skillfully fill in the sign 2 = 0 2 = 1 2 = 2 2 = 3 2 = 4 2 = 5
- 18. If the operation a * b = the square of a - AB + B is defined, the value of 4 * (3 * 20) is calculated
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- 20. How to calculate the room area of 5 meters long, 3 meters wide and 2.4 meters high