Answer:
X=-2 and y=8. (-2,8)
Step-by-step explanation:
Step-by-step explanation:
4x² + 8x − 7 = 0
4x² + 8x = 7
x² + 2x = 7/4
x² + 2x + 1 = 11/4
(x + 1)² = 11/4
x + 1 = ±√(11/4)
x = -1 ± √(11/4)
Answer:
Step-by-step explanation:
35. 4
36. 4
37. 16
38. 4
39. 2
40. 2