11. The standard form of the expression 2.3* + 5* = 10
2x²
+
5
4
a. 8×2 + 25x + 200 = 0
b. 8×2 + 25x – 200= 0
c. 8×2 – 25x-200=0
d. 8×2 + 25x = 200.
–
1
?
א |
12. The roots of the equation (x + 1)2 + (x – 8)2 = 45
a.x= -5 or x = 2
b. x= 5 or x = 2
C. X= 5 or x = -2
d.x=-5 or x= -2
13. Which of the following is the simplest form of the expression + at a
2×2+5
2×2+5
2×2+5
2×2-5
b.
d.
5+x
14. The standard form of the expression (x + 5)2 + (x – 2)= 37
a. 2×2 – 6x-8=0
b. 2×2 + 6x + 8 = 0
c. 2×2 + 6x – 10 = 0
d. 2×2 + 6x – 8 = 0
15. The value of x that makes the equation
true ?
a.
C.
5-x
5x
5x
–
a.x=-3 orx= -1
C. X=-3 or x = 0
b. x=3 or x = 1
d.x=-3 or x=1
Answer:
11. b
12. d
37. c
15. d
Step-by-step explanation:
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