Ken’s predicted temperature for April is 7ºC. His prediction for May is 2ºC higher than April. He used the number line to solve the problem, starting at 0, moving right to 7, and then moving 2 units to the left. Explain Ken’s error.

If f(x) = 2|x| is graphed on a regular coordinate grid, does the graph form an acute, right, or obtuse angle at its vertex?

What is the factored form of the polynomial 27x2y – 43xy2? xy(27x – 43y) x2y2(27 – 43) 3xy(9x – 17y) 3x2y(9 – 14y)

the town of lantana needs 14000 for a new playground. lantana elementry school raised 5358,lantana middle school raised 2834 and lantana high school raised 4132

Quincy uses the quadratic formula to solve for the values of x in a quadratic equation. He finds the solution, in simplest radical form, to be x = StartFraction negative 3 plus or minus StartRoot negative 19 EndRoot Over 2 EndFraction. Which best describes how many real number solutions the equation has?