Which of the following ordered pairs is not a solution of the system of inequalities?
y > x2 – 4x – 5
y < –x2 – 5x + 6
Question 62 options:

A)

(1, –7)

B)

(–1, 6)

C)

(1, –5)

D)

(1, 7)

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0