Written Output #2 - (Lesson 2A-2D pages 18-52)
1.) What are the roots of x2 - 25 = 0?
a.) -5 b.) 5 c.) +5 d.) +25
_2.) Determine the solutions of w2 = -16
a.) -4 b.) 4 c.) +4
d. no real roots
3.) What are the factors of x2 + 8x + 12?
a.) (x + 6)(x+2)
c.) (x + 3)(x +4)
b.) x(x + 12)
d.) x(x + 8)
4.) Find the solution/s of the quadratic equation
m2 + 4m + 4 = 0.
a.) -2 b.) 2
c.) +2
d.) +4
5.) What must be added to r2-16r + to make it a perfect square trinomial?
a.) 4
b. 8
c.16
d.) 64
6.) Which of the following is NOT a perfect square trinomial?
a.) x2 + 4x + 4
c.) m2 - 10m + 25
b.) p2 +5r+6
d.) x2 - 2x + 1
7.) Which is the correct quadratic formula?
b + 2b-4ac
-bvb2-4ac
a.) x=
c.) x =
2a
2a
2a
2a
-b 4ac
-b- Vb2-4ac
b.) x=
d.) x =
8.) One of the solutions of x2 – 12x + 35 = 0 is 7, find the other solution.
a.) 3
b.) 4
c.) 5
d.) 12
9.) Solve x2 + 4x - 21 = 0.
a.) -7 and 3
c.) -3 and 7
b.) -7 and -3
d.) 7 and 3
10.) Find the solutions of x2 - 7x = 8.
a.) -8 and -1
c) 8 and -1
b.) -8 and 1
d.) 8 and 1
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Answer:
1.b
2.c
3.a
4c.
5.c
6.a
7.d
8.a
9.a
10.c
Step-by-step explanation:
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