Algebra I Post Test

Chapter: 8
Standard: A.REI.3
DOK: 2
1 pt

4.

Using the image below, write an equation that represents the statement, "the length of Line A is equal to the length of Line B."

A

$$2x+49=35$$

B

$$49-35={x}^{2}$$

C

$${x}^{2}+35=49$$

D

$$2x+35=49$$

Chapter: 14
Standard: F.IF.8a
DOK: 2
1 pt

7.

What is the vertex of the following function?

$$y={x}^{2}+8x+9$$

A

(4, –7)

B

(–4, –7)

C

(–4, 7)

D

(4, 7)

Chapter: 10
Standard: N.Q.1
DOK: 2
1 pt

16.

What would the *y*-axis be labeled for the following data set?

A

pounds of coffee

B

price in dollars

C

bags of coffee

D

price in cents

Chapter: 12
Standard: A.REI.12
DOK: 2
1 pt

43.

What would the inverse matrix solution to the following system of equations look like?

$$\left\{\begin{array}{l}4x+2y=6\\ 10x+4y=6\end{array}\right\}$$

A

B

C

D

Chapter: 9
Standard: A.CED.2
DOK: 2
1 pt

57.

What graph shows a line that has a slope of $$-$$1 and a *y*-intercept of (0, 1)?

A

B

C

D