Answers edited by Grégory V.
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How do you solve #abs(4x5)>16 #?

How do you find the vertex of a parabola #f(x) = x^2  2x  3#?

How do you find the distance between (–3, –2) and (1, 4)?

Which of the ordered pairs (6, 1), (10, 0), (6, –1), (–22, 8) are solutions for the equation x + 4y = 10?

How do you simplify #2ab+ba+3b#?

How do you solve #2a^2 + 8a − 5 = 0# by completing the square?

How do you graph #y =  abs(x3) + 5#?

Is (3,2), (1,0), (0,1), (1,2) a function?