exam Maths Puzzle Numerical Ability

Solve by using the quadratic formula. 3x^2=11x+4

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exam Other Question

Use the data and make a graph.

Tyler read 9 books.
Lauren read 6 books
Kyle read 5 books
Emily read 12 books.

Which graph would be better to show this info- Histogram,do how do you find f(x)=ax+b in which f(2)=1 and f(-3(=11?
from mathematics for the international student:Mathematics SL-section 1c