Answer:
The answer us B y= -8/7x -18/7
Answer:
The error with mark’s work is that a negative times a negative will give a positive. So -3 times -5 is +15 not -15. Then 15 times -2 will get you -30.
Answer:
6
Step-by-step explanation: We observe that if 288 is multiplied by (2 x 3), then its prime factors will exist in triples. Thus, the required smallest number by which 288 be multiplied to make it a perfect cube i: (2 x 3)=6. 1,331 is a perfect cube.
C) 5x² and D) 6x².
The box on the top left would be filled with -2x³; top right would be filled with 5x²; second left would be filled with 6x²; second right would be filled with -15x; bottom left would be filled with -8x; and bottom right would be filled with 20.