WorksheetsQUIZ 1- WEEK 1
Total questions: 10
Worksheet time: 9mins
A second degree equation in one variable in the form ax2+bx+c=0, where a, b and c are real numbers and a = 0
linear
polynomial
quadratic
radical
Which of the following equations is quadratic?
x - 4 = 0
2x2 + 3x - 4 = 0
x2 + 3x = x2 - 5
x2(x + 1) = 0
In the equation x2 + 3x - 5 = 0, identify the quadratic term.
x2
3x
-5
0
Write the equation (x + 2)(x - 3) = x + 1 in standard form.
x2 - 2x + 7 = 0
x2 + 2x + 7 = 0
x2 + 2x - 7 = 0
x2 - 2x - 7 = 0
Which of the following quadratic equations can be solved easily by extracting the square root?
x2 - 4 = 0
x2 - 4x = 0
x2 + 4x - 4 = 0
x2 - 4x - 4 = 0
What are the roots of of 3x2 - 14x - 5?
(-1/2 and -5
1/3 and -5
5 and 1/3
5 and -1/3
What constant term should be added to x2 + 10x to make it perfect square trinomial (PST)?
100
50
25
10
Write x2 - 4x + 4 as squared binomial.
(x - 2)2
(x + 2)2
(x - 4)2
(x + 4)2
What method/s of solving quadratic equation can be applied to x2 - 5x + 4 = 0 to obtain its roots?
factoring
completing the square
quadratic formula
all of the above
What is the value of b in x2 - 12x + 36 = 1 - 3x?
9
-9
12
36
