1
Let A=
3
Find numbers a
a b
and b such that A2 = -1
[

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?

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent