Test Nav Algebra

TestNav Question #8

​ ​ ​ ​ (a)   √​ (b)  

• 8

• 6

• 2

• 4

• 5

• 10

Tags

CCSS.6.EE.A.1

TestNav Question #10​

​ and​

Tags

CCSS.7.NS.A.1B

The slope of g(x) is ​ (a)   the slope of f(x). The y-intercept of g(x) is ​ (b)   the y-intercept of f(x)

• one-half

• two more than

• twice

• two less than

If the sum of two numbers is 20 and their difference is 4, what are the numbers?

• 8 and 12

• 10 and 10

• 11 and 9

• 12 and 8

Answer explanation

The correct numbers are 8 and 12 because when you add them, you get 20 (8 + 12 = 20) and when you subtract them, you get 4 (12 - 8 = 4).

Tags

CCSS.8.EE.C.8C

If you multiply a number by 6 and then add 4, the result is 40. What is the number?

• 4

• 5

• 6

• 7

Answer explanation

To find the number, subtract 4 from 40 to get 36. Then divide 36 by 6 to get the number, which is 6. Therefore, the correct number is 6.

Tags

CCSS.7.EE.B.4A

TestNav Question #20

• f(x) = 9x²-4

• g(x)=9(x-8)

• h(x)=x²+4x+8

• j(x)=x²-8x+16

• k(x)=-2(x+4)(x+1)

Solve for x if :
f(x) = 35
f(x) = 2x + 10

• 35

• 12.5

• 2

• 10.5

Tags

CCSS.HSF.IF.A.2

Solve for f(10):
f(10) = -x - 5

• 15

• -5

• -15

• 50

Tags

CCSS.HSF.IF.A.2

What is the value of x in:
f(3) = 2x + 1

• 3

• 2

• 1

• 0

Tags

CCSS.HSF.IF.A.2

What is the value of x in:
f(4) = 3x - 1

• 11

• 4

• -1

• 0

Tags

CCSS.HSF.IF.A.2