(5x+1)² = 7; expand: 25x² + 10x +1 = 7 or 25x² + 10x -6 = 0
Solve this quadratic for x:
x = [-b + √(b² - 4ac)]/2a and x = [-b - √(b² - 4ac)]/2a
Plug the values and you'll find :
x = (- √7 - 1)/5 (answer C)
x = (+√7 -1)/5 (answer E)
Answer:
-1
Step-by-step explanation:
The full equation is y= -1x + 2
Answer:
B
Step-by-step explanation: because this negative
Answer:
A
Step-by-step explanation:
Hope it helps!
Answer:
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