exam Maths Puzzle Numerical Ability

Can anyone help with this?

A line passes through the point (-4,-9) and has a slope of -3 . Write an equation for this line in x,y -coordinates.

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exam Other Question

I have a couple more problems today I need steps and solutions for if anyone would be so kind.

Solve each equation using zero factor property.



2w(4w + 1) = 1
Find the length x in each triangle. Express your answer in simplified radical form.

Side 1: 10 Side 2: 8 Bottom: x

I need some help with this problem. Thanks