Mathematics
Algebra
If f(x)=4x+3, find f(0).
A. 4
B. 5
C. 2
D. 3
Correct Answer: D
f(0)=4(0)+3=3.
Mathematics
Algebra
If f(x)=3x+2, find f(−1).
A. −2
B. 0
C. 1
D. −1
Correct Answer: D
f(−1)=3(−1)+2=−1.
Mathematics
Algebra
If f(x)=2x+1, find f(−2).
A. −1
B. −4
C. −3
D. −2
Correct Answer: C
f(−2)=2(−2)+1=−3.
Mathematics
Algebra
For y=(x − (−3))² + 16, what is the vertex?
A. (3, 16)
B. (16, −3)
C. (−3, −16)
D. (−3, 16)
Correct Answer: D
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (3))² + 15, what is the vertex?
A. (15, 3)
B. (−3, 15)
C. (3, 15)
D. (3, −15)
Correct Answer: C
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (2))² + 14, what is the vertex?
A. (14, 2)
B. (2, 14)
C. (−2, 14)
D. (2, −14)
Correct Answer: B
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (1))² + 13, what is the vertex?
A. (1, 13)
B. (−1, 13)
C. (1, −13)
D. (13, 1)
Correct Answer: A
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (0))² + 12, what is the vertex?
A. (0, 12)
B. (12, 0)
C. (0, −12)
D. 0
Correct Answer: A
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (−1))² + 11, what is the vertex?
A. (−1, 11)
B. (−1, −11)
C. (1, 11)
D. (11, −1)
Correct Answer: A
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (−2))² + 10, what is the vertex?
A. (−2, −10)
B. (2, 10)
C. (−2, 10)
D. (10, −2)
Correct Answer: C
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (−3))² + 9, what is the vertex?
A. (3, 9)
B. (−3, −9)
C. (−3, 9)
D. (9, −3)
Correct Answer: C
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (3))² + 8, what is the vertex?
A. (8, 3)
B. (3, 8)
C. (−3, 8)
D. (3, −8)
Correct Answer: B
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (2))² + 7, what is the vertex?
A. (−2, 7)
B. (2, 7)
C. (7, 2)
D. (2, −7)
Correct Answer: B
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (1))² + 6, what is the vertex?
A. (1, −6)
B. (1, 6)
C. (6, 1)
D. (−1, 6)
Correct Answer: B
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (0))² + 5, what is the vertex?
A. 0
B. (5, 0)
C. (0, −5)
D. (0, 5)
Correct Answer: D
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (−1))² + 4, what is the vertex?
A. (−1, −4)
B. (−1, 4)
C. (1, 4)
D. (4, −1)
Correct Answer: B
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (−2))² + 3, what is the vertex?
A. (2, 3)
B. (−2, −3)
C. (−2, 3)
D. (3, −2)
Correct Answer: C
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For y=(x − (−3))² + 2, what is the vertex?
A. (−3, −2)
B. (3, 2)
C. (2, −3)
D. (−3, 2)
Correct Answer: D
Vertex form y=(x-h)²+k has vertex (h,k).
Mathematics
Algebra
For 1x² −13x + 5=0, what is the product of roots?
A. 5
B. 13
C. −5
D. −13
Correct Answer: A
Product=c⁄a.
Mathematics
Algebra
For 3x² −12x + 4=0, what is the sum of roots?
A. 4
B. −4⁄3
C. 4⁄3
D. −4
Correct Answer: A
Sum=−b⁄a.