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Practice 25 QuestionsShow answers
• Question 1
900 seconds
Q. What is the factored form of the expression?
x2-15x+54
(x-9)(x-6)
(x+9)(x+6)
(x-9)(x+6)
(x+9)(x-6)
• Question 2
900 seconds
Q. What is the factored form of the expression?
k2+7x+10
(k+2)(k+5)
(k-2)(k-5)
(k+10)(k+4)
(k+2)(k-5)
• Question 3
900 seconds
Q. What is the factored form of the expression?
x2-5x-36
(x-9)(x+4)
(x+9)(x-4)
(x+3)(x-12)
(x-3)(x-12)
• Question 4
900 seconds
Q. What is the factored form of the expression?
9x2+9x-10
(3x-5)(3x+2)
(3x+5)(3x-2)
(3x+5)(3x+2)
Not Factorable
• Question 5
900 seconds
Q. What is the factored form of the expression?
4x2-16x-9
(2x-9)(2x+1)
(2x+9)(2x-1)
(4x-1)(x+9)
(x+1)(4x-9)
• Question 6
900 seconds
Q. What is the factored form of the expression?
x2-16x+64
(x+8)2
(x+8)(x-8)
(x-8)2
(x+4)(x-8)
• Question 7
900 seconds
Q. What is the factored form of the expression?
x2-25
(x+5)2
(x+5)(x-5)
(x-5)2
252
• Question 8
900 seconds
Q. What is the factored form of the expression?
x2+10x+25
(x+10)(x+4)
(x-5)²
(x+5)²
(x+10)²
• Question 9
900 seconds
Q. What is the factored form of the expression?
x2 - 49
(x + 7)(x - 7)
(x + 7)2
(x - 7)2
(x+7)(x-1)
• Question 10
900 seconds
Q. What is the factored form of the expression?
7r3-8r2+42r-48
(r2+6)(7r+8)
(r2+6)(7r-8)
(r2+6)(r2+8)
(r2+6)(7r+6)
• Question 11
900 seconds
Q. What is the factored form of the expression?
30x3+15x2-18x-9
(5x2-3)(6x+1)
(5x2-3)(6x+3)
3(5x2+3)(2x-1)
3(5x2-3)(2x+1)
• Question 12
900 seconds
Q. Solve the equation using the Zero-Product Property.
(2x - 1)(x + 4) = 0
1/2, -4
1/2, 4
2, -4
-2, 4
• Question 13
900 seconds
Q. Solve the equation using the Zero-Product Property.
(2x + 5)(5x - 2) = 0
-5/2, -2/5
-5/2, 2/5
5/2, 2/5
5/2, -2/5
• Question 14
300 seconds
Q. What are the solutions of the equation?
2x2 + 7x - 15 = 0
-1.5, 5
No Solution
-5, 1.5
0.7, 5
• Question 15
900 seconds
Q. What are the solutions of the equation?
x2 + 4x - 12 = 0?
-6, 2
2
-1, 2
3, 2
• Question 16
900 seconds
Q. What are the solutions of the equation?
b2 = -35 + 12b
5, 7
-5, -7
-5, 7
5, -7
• Question 17
900 seconds
Q. Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
5 = -2x + x2
No Solution
-3.5, 1.5
2, 3
-1.5, 3.5
• Question 18
900 seconds
Q. Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
x2 - 12x = -5
0, 11
-11.6, -0.4
0.4, 11.6
1, 11
• Question 19
900 seconds
Q. How many real-number solutions does the equation have?
2x2-5x-6=0
one solution
two solutions
no solutions
infinitely many solutions
• Question 20
900 seconds
Q. How many real-number solutions does the equation have?
5x2-2x+4=0
one solution
two solutions
no solutions
infinitely many solutions
• Question 21
900 seconds
Q. Simplify the number using the imaginary unit i.
√(-25)
-5i
5
5i
-5
• Question 22
900 seconds
Q. Simplify the expression.
(10+ 15i)-(48 - 30i)
58 - 45i
58 - 15i
-38 - 15i
-38 + 45i
• Question 23
900 seconds
Q. Simplify the expression.
(2i)(3i)
5i
-5
6i
-6
• Question 24
900 seconds
Q. Simplify the expression.
(4 – 3i)(-7 – 2i)
A.  -23 + 13i
B.  -23 - 29i
C.  -34 + 13i
D.  -34 - 29i
• Question 25
900 seconds
Q. Find the solutions of the equation.
x2 - 5x + 10 = 0