Which word phrases can be modeled by the expression?
choose exactly two answers that are correct.
a.
ten less than the quotient of a number and 7
b.
ten deducted from the product of a number and 7
c.
the difference of a number and 10 divided by 7
d.
the quotient of a number and 7, reduced by 10

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.