exam
Maths Puzzle
Numerical Ability
Use cross products to determine whether each of pair of ratios forms a proportion:
4/9, 12/27
Please explain how to solve this problem.
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exam Other Question
The larger of two numbers is 8 more than four times the smaller. If the larger is increased four times the smaller, the result is 40. Find the numbers.
10.) Find the slope and the y-intercept.
f(x) = -6x - 4
The slope is _______
The y-intercept is [0, ____]