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16 questions
1. Which of the following is a polynomial equation of degree two that can be written in the form ax2+bx+c=0?
Quadratic equation
Linear Inequality
Linear Equation
Quadratic inequality
Which of the following is the standard form of quadratic equations?
ax2 + bx + c < 0, a≠0
ax2 + bx + c = 0, a≠0
Ax + By = C
y=mx+b
Which of the following is a quadratic equation?
3m-7=12
-5n2+4n-1
2x2-7x≥3
t2 + 5t -14 =0
In the equation 5w2+9w-10=0, which is the quadratic term?
w2
9w
5w2
-10
Given 9w+5x2=10; if a=5 then b=?
4
5
9
-10
Given x2 + 12 + 7x = 0. If a=1,b=7, then c=?
1
12
7
0
Which of the following quadratic equation is written in the standard form?
3x-2x2 = 7
5-2x2 =6x
x2 – 5x + 10 = 0
x ( x+ 1) =0
The standard form of the quadratic equation x-2x2 = 7.
2x2 + x - 7 = 0
2x2 -x +7 = 0
-2x2 + x + 7 = 0
-2x2 - x - 7 = 0
Below are situations in real life that illustrates quadratic equations except
The raduis of a circle
the length and width of a table
the area of a square
the product of 5 and 2
Mrs. Galong instructed her Grade 9 Mapagmahal students to construct a rectangular board. The area of the board is 12m2 , what are the possible dimensions of the board?
2m, 6m
2m, 12m
1m,2m
2m,4m
3x-2x2 = 7
Quadratic
Not Quadratic
(x+4)(2)=0
Quadratic
Not Quadratic
2x2 =3x2
Quadratic
Not Quadratic
x2 = 7
Quadratic
Not quadratic
(1/x+4)(x-2)=5
Quadratic
Not quadratic
What is the standard form of the quadratic equation
5x(2x-4) =7 ?
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