Quiz about FCPS REVIEW #2 ACA 3

Question 1

Solve for x. $$5x-2\left(2x-1\right)=6$$

Accepted Answer

x = 4

Answer

x = 1

Answer

No solution

Answer

Infinite Solutions

Question 2

How many solutions are there in the following equation? $$7x - 3(x - 1) = 2(2x + 3)$$

Accepted Answer

No Solution

Answer

Exactly One Solution

Answer

At Least Two Solutions

Answer

Infinitely Many Solutions

Question 3

Solve the compound inequality. $$3x-4>5\ \ OR\ \ 1-2x\ge7$$

Accepted Answer

A. $$x \leq -3$$ or $$x > 3$$

Answer

B. $$x \leq 3$$ or $$x \geq 3$$

Answer

C. $$x \geq -3$$ or $$x < 3$$

Answer

D. $$x > -3$$ or $$x \leq 3$$

Question 4

Solve the absolute value equation. |x - 2| - 5 = 3

Accepted Answer

x = 10 or x = -6

Answer

x = 6 or x = -2

Answer

x = 8 or x = -4

Answer

x = 0 or x = -10

Question 5

Write the equation of the line represented by the graph in slope-intercept form.

Accepted Answer

y = -4x -1

Answer

y = 4x -1

Answer

y = 1/4x +1

Answer

y = -4x + 1

Question 6

Write the equation of the line that passes through (2, 3) and (-1. -12) In slope intercept form

Accepted Answer

y = 5x -7

Answer

y = 3x -4

Answer

y = 7x - 3

Answer

y = 5x + 2

Question 7

What is the solution to the system of equations? 5x + 2y = 6, 4x - 8y = 0

Accepted Answer

x = 1, y = 0.5

Answer

x = 0, y = 0

Answer

x = 2, y = 1

Answer

x = -1, y = -0.5

Question 8

Using the substitution method, does the system below have one solution, no solutions or infinitely many solutions? y = (1/3)x + 2, -x + 3y = 6

Accepted Answer

One solution

Answer

No solutions

Answer

Infinitely many solutions

Question 9

Write the equation for the inequality graphed below.

Accepted Answer

y > -x - 3

Answer

y < x - 3

Answer

y < -x - 3

Answer

y > -x + 3

Question 10

Simplify: $$(-7x + 5) - (2x^2 - 8x + 6)$$ . Write your answer in standard form.

Accepted Answer

$$-2x^2 + x - 1$$

Answer

B. $$-9x^2 + 8x - 1$$

Answer

C. $$-5x^2 + 8x - 1$$

Answer

D. $$-2x^2 - 15x - 1$$

Question 11

Find the product. $$(6x-2)^2$$ .

Accepted Answer

$$36x^2 - 24x + 4$$

Answer

(6x-2)(6x-2)

Answer

$$12x^2 - 4$$

Answer

$$36x^2 + 4$$

Question 12

identify the GCF of the polynomial $$20x^3 - 5x^2 + 25x$$ .

Accepted Answer

The greatest common factor of the terms is 5x.

Answer

The greatest common factor of the terms is 10x.

Answer

The greatest common factor of the terms is 5.

Answer

The greatest common factor of the terms is x.

Question 13

What is the factored form of $$x^2-10x+21$$ ?

Accepted Answer

$$(x-3)(x-7)$$

Answer

$$(x-3)(x+7)$$

Answer

The expression is already fully factored.

Answer

$$x(x-10)+21$$

Question 14

What is the factored form of $$x^2+3xy-10y^2$$ ?

Accepted Answer

$$(x-2y)(x+5y)$$

Answer

$$(x+2y)(x-5y)$$

Answer

$$x(x+3y)-y(3x-10y)$$

Answer

The expression is already fully factored.

Question 15

Factor the perfect square trinomial $$x^2 - 12x + 36$$ .

Accepted Answer

$$(x-6)^2$$

Answer

(x-6)(x+6)

Answer

$$(x+6)^2$$

Answer

$$(x-12)^2$$

Question 16

Evaluate the expression for $$x = 2$$ and $$y = 5$$
$$-4x^{-2} + 3y^0$$ . Replace $$x$$ with 2 and $$y$$ with 5.. Use properties of exponents or put in calculator to evaluate.

Accepted Answer

2

Answer

-1

Answer

0

Answer

1

FCPS REVIEW #2 ACA 3

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