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EST I | Math | May 2021| section 1 — Preview 0 / 5 answered
1
Intermediate 1
1. What is the value of 𝑥+𝑦?
A
A. -2
B
B. 0
C
C. 2
D
D. 6
2
Intermediate 2
2. Which of the following is equivalent to $4a^2 - 9 + (2a - 3)(a - 1) + 3(2a - 3)$?
A
A. $(3a + 5)(2a - 3)$
B
B. $2(3a + 5)(2a - 3)$
C
C. $(2a - 3)(a + 5)$
D
D. $(2a - 3)(3a + 7)$
3
Intermediate 3
3. For $i = \sqrt{-1}$, which of the following is equivalent to $\frac{2i - 3}{i - 5}$?
A
A. $\frac{13 - 7i}{24}$
B
B. $\frac{13 - 13i}{24}$
C
C. $\frac{17 - 7i}{26}$
D
D. $\frac{17 - 13i}{24}$
4
Intermediate 4
4. What is $D$ in terms of $B_o$, $\rho$, $g$, and $\sigma$?
A
A. $D = \frac{B_o\sigma}{\rho g}$
B
B. $D = \sqrt{\frac{B_o\sigma}{\rho g}}$
C
C. $D = \frac{B_o\rho}{\sigma g}$
D
D. $D = \frac{B_o\rho}{\sigma g}$
5
Intermediate 5
5. If $\frac{-1}{2x-1} = \sqrt{3}$, what is the value of $6x$?
A
A. $-3\sqrt{3}$
B
B. $\sqrt{3} - 3$
C
C. $-\sqrt{3} + 3$
D
D. $\sqrt{3} + 3$
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