Answer:
-3/2
Step-by-step explanation:
Given the funtion
(2x+3)² - 6x+9 = 0
(2x+3)² = 6x + 9
Expand
4x²+12x+9 = 6x + 9
4x²+12x - 6x = 0
4x²+6x = 0
4x² = -6x
4x = -6
x = -6/4
x = -3/2
Hence the value of x is -3/2
Answer:
10
Step-by-step explanation:
Pythagorus thereom. So
8sq +6sq= xsq
64+36=100
Sq root 100 is 10
Find the unit completion rate:
217 problems
--------------------- = 14.47 problems per minute, or approx 14 problems/min.
15 minutes
(2(-2)+9(5)-5)-(6(-2)-4(5)+2)
(-4+45-5)-(-12-20+2)
(45-9)-(-32+2)
36+30
66
question 13: here's the range of this function -4 < f(x) < 3