Put the quadratic y = x2 – 3x - 5
into the quadratic formula: x = =b+Vb2-4ac
Enter the number that belongs in the green box.
- [?]+v[ ]2-4[ I
21)
2a
X=
A. -3
B. 3
C. 1
D. -5

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=9, and ac=12, find hc.

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y