1.
MULTIPLE CHOICE:
Read each item carefully then write the letter of the correct answer in the space
provided before the number.
1. Which of the following mathematical statements is quadratic inequality?
a. 482-6r-10 = 0
C. r2+ 8r+20 = 0
b. 8+14>O
d. 312 +71-220
2. All of the following equations are quadratic except
a. f(x)= x(x22x+1)
c. y=-1/2x2
b. y=x2+5x+6
d. f(x)=(x+1)2
3. How many real roots does the quadratic equation x2 + 5x +7 = 0 have?
a. O
b. 1
c.2
d. 3
4. What values of x satisfy the equation 2x2 - x=1?
a. 1 and 2
c. -1/2 and 1
b. 1 and 2
d. 12 and 1
5. The equation that is equivalent to y = x2 - 4x+9 is
a. y= (x-3)2 +2
c. y = (x+2)2 + 3
b. y = (x-2)2 +3
d. y = (x - 2)2 + 5
6. What will be the equation of the quadratic whose sum of the roots is 10 and whose product is 2?
a. X2-10x +2 = 0
c.x2 -2x +10 = 0
b. x2 +10x +2 = 0
d. x2 + 2x +10=0
7. What are the roots of the quadratic equation x2 + x - 56 = 0?
a. 2 and -1
C.-8 and 7
b. 8 and -7
d. 3 and 2
8. Find the quadratic equation whose roots are 4 and 3.
a. X2 +7x+12=0
b. X2+7x+12=0 c. X2+7x-12=0
d.x27x+12=0
9. The length of a garden is 5m longer that its width and the area is 14m2. How long is the garden
a. 9m
b.7m
c. 5m
d. 2m
10. The radicand in the quadratic formula is called the
a. Determinants
c. Denominator
b, Discriminant
d. Derivation
11. Which of the following values of the discriminant of a quadratic equations has imaginary solutions
a. -1
b. 0
c. 1
d. 3
d. 3
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Answer:
1.b
2.d
3.c
4.c -1/2 ,1
5.d
6.d
7.c
8.d x2-7x+12=0
that is only i know
hope this will help you