Recall the formula for factoring the difference of two squares: 22-D2 = (a + b)(a - b) Use the formula to factor 78 - 9. What is the value of a? = "5 " DONE
the function makes a strait line horizontally with no x intercept but a y intercept at 9.
Answer from: Quest
6: 07 is your answer
step-by-step explanation:
Another question on Mathematics
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by Γ’β4 to get Γ’β16x Γ’β 4y = Γ’β80 multiply the second equation by Γ’β1 to get Γ’β4x Γ’β y = Γ’β20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by Γ’β1 to get Γ’β2x Γ’β 4y = Γ’β14
36x2 + 49y2 = 1,764 the foci are located at: (-β13, 0) and (β13,0) (0, -β13) and (0,β13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Parabolas y=β2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.