Answer:
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Step-by-step explanation:
Answer:
A quadratic function is one of the form f(x) = ax2 + bx + c, where a, b, and c are numbers with a not equal to zero. The graph of a quadratic function is a curve called a parabola. Parabolas may open upward or downward and vary in "width" or "steepness", but they all have the same basic "U" shape.
Step-by-step explanation:
hope this helps you :)
4a+9=(-9+30-25). 4a+9=30-34. 4a+9=-4. 4a=-13. A=-3.25 :)
Z = x-y(3r)/y
z = x-y * 3r/y
Final answer: x = yz + 3yr
28. multiply 12 by 5 =-60
29. divide 39 by 3 = 13
30.divide 15 by 4 = 3.75
31. multiply 2 by 10 = -20