WorksheetsMathenik Grade 9
Total questions: 15
Worksheet time: 15mins
Which of the following is written in the standard form?
x2 - 5 = x
x2 = 9
3x2 + 4x - 5 = 0
x2 - x = 6
Which of the following is a quadratic equation?
4x – 12
x⁵ = 4x – 1
3x² - 9 = 0
2x³ = 3x
The highest degree of the equation 4x = 3x² + 8 is?
2
3
4
8
What are the roots of x² = 25?
± 3
± 2
± 5
± 4
If (x – 4) is a factor of x² - 5x + 4 = 0, what is the other factor?
x+2
x+1
x-4
x-1
What is the missing term of x² + 8x to make it a perfect square trinomial?
4
9
16
25
The graph of a quadratic function is called _____.
straight line
parabola
circle
ellipse
The vertex of a quadratic function is
(x,y)
x = h
(a,b)
(h,k)
If the parabola opens upward the point/vertex is at
maximum
low
minimum
high
What is the discriminant in the equation x² - 2x + 1 = 0?
0
1
25
8
Without solving for the roots, give the sum of the roots of the equation x² - 4x – 21 = 0.
Answer is in numeral format (ex.: 1)
(a)
Find the roots of 2x² - 14 = 18
(a)
In the function y = -x² - 4x + 7, what is the value of h?
(a)
2−ww−2 Express the expression in its simplest form
(a)
Solve: (36) (32) =
Answer is in numeral form (ex.: 1)
(a)
